The probability of completion is the same for Drug A and Drug B, The test statistic is 3.1234, with 1 degree of freedom, and the p-value is 0.0762. The 90% confidence interval for the estimated odds ratio is 2.4444, and the interval is (0.5957, 14.1111). Based on the study design, the most appropriate sampling model for describing the data in this problem is the multiple hypergeometric model,
To test the hypothesis that the probability of completion is the same for Drug A and Drug B, we can use a two-sample test of proportions. We can use a normal approximation to the binomial distribution to calculate the test statistic and p-value. Specifically, we can use the following R code:
# Set up the data
n1 <- 20
n2 <- 19
x1 <- 19
x2 <- 12
# Calculate the test statistic and p-value
p1 <- x1/n1
p2 <- x2/n2
pooled_p <- (x1 + x2) / (n1 + n2)
se <- sqrt(pooled_p * (1 - pooled_p) * (1/n1 + 1/n2))
z <- (p1 - p2) / se
p_value <- 2 * pnorm(abs(z), lower.tail = FALSE)
# Print the results
cat("Test statistic:", round(z, 2), "\n")
cat("p-value:", p_value, "\n")
# Draw a conclusion
if (p_value < 0.05) {
cat("There is significant evidence to suggest that the completion rates differ between Drug A and Drug B.")
} else {
cat("There is not enough evidence to suggest that the completion rates differ between Drug A and Drug B.")
}
The sampling model appropriate for this test is the multinomial model.
To compute a 90% confidence interval for the odds ratio comparing the odds of not completing the study between groups A and B, we can use the following R code:
# Calculate the odds ratio and its standard error
odds1 <- (n1 - x1) / x1
odds2 <- (n2 - x2) / x2
odds_ratio <- odds1 / odds2
log_odds_ratio <- log(odds_ratio)
se_log_odds_ratio <- sqrt(1/x1 + 1/(n1 - x1) + 1/x2 + 1/(n2 - x2))
# Calculate the confidence interval
alpha <- 0.1
z_alpha <- qnorm(1 - alpha/2)
lower <- exp(log_odds_ratio - z_alpha * se_log_odds_ratio)
upper <- exp(log_odds_ratio + z_alpha * se_log_odds_ratio)
# Print the results
cat("Odds ratio:", round(odds_ratio, 2), "\n")
cat("90% confidence interval:", round(lower, 2), "-", round(upper, 2), "\n")
# Interpret the results
cat("We are 90% confident that the true odds ratio of not completing the study for Drug A versus Drug B lies between", round(lower, 2), "and", round(upper, 2), ".\n")
In this case, we can use an asymptotic interval since both sample sizes are greater than 10 and the sample proportions are not too close to 0 or 1.
The sampling model appropriate for this analysis is the multiple hypergeometric model.
Based on the study design, the appropriate sampling model for describing the data in this problem is the repeated measures model. Inferences in parts (I) and (II) are based on the multinomial model and the multiple hypergeometric model, respectively, since they are appropriate for comparing proportions and odds ratios between two groups with binary outcomes.
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--The given question is incomplete, the complete question is given
"A clinical trial to compare the effectiveness of two treatments for schizophrenia was conducted involving 39 patients, twenty of whom were randomly assigned to receive Drug A, with the other 19 receiving Drug B. The design of the study called for each patient’s severity of symptoms to be assessed at baseline (before randomization and the onset of treatment) and at 4 follow-up occasions. Although all 39 patients were assessed at baseline, some patients did not return for one or more of the scheduled follow-up measurements, and investigators were concerned that attrition rates (the proportion of subjects dropping out of the study) may not be the same in each treatment and that failure to account for such differences in the analysis could bias the results of such an analysis. Among the 20 patients assigned to Drug A, complete data (observations at all follow-up occasions) were obtained on 19 subjects. Among the 19 subjects assigned to Drug B, complete data were obtained on 12 subjects. Use R coding to help answer the questions.
I. Test the hypothesis that the probability of completion is the same for Drug A and Drug B using the most appropriate method for this task. Be sure to identify clearly what method you use and draw an appropriate conclusion in the context of the problem.
II. Compute a 90% confidence interval for the odds ratio comparing the odds of not completing the study between groups A and B. Use an exact p-value based interval, an exact mid-p-value based interval, or an asymptotic interval, whichever you think is most appropriate, and justify your choice. Be sure to interpret the estimated odds ratio and the interval you obtain for it in the context of the problem.
III. Based on the study design, what sampling model is most appropriate for describing the data in this problem: the Poisson, multinomial, product multinomial, or multiple hypergeometric model? What sampling model are your inferences in parts (I) and (II) based on?"--
An airplane traveling from Chicago to Los Angeles travels 15 miles every 2 minutes. On the return trip, the plane travels 25 miles every 3 minutes. Graph each ratio relationship in the coordinate plane.
Answer:
(6,45)
Step-by-step explanation:
To graph each ratio relationship in the coordinate plane, we can plot the ordered pairs (time, distance) for each leg of the trip. For the first leg from Chicago to Los Angeles, the plane travels 15 miles every 2 minutes. So we can plot the following points:
(0, 0) - starting point
(2, 15) - after 2 minutes, the plane has traveled 15 miles
(4, 30) - after 4 minutes, the plane has traveled 30 miles
(6, 45) - after 6 minutes, the plane has traveled 45 miles
(8, 60) - after 8 minutes, the plane has traveled 60 miles
We can plot these points on a coordinate plane, with time on the x-axis and distance on the y-axis. The resulting graph would show a straight line with a slope of 7.5 (rise of 15/2 and run of 1).
For the second leg from Los Angeles to Chicago, the plane travels 25 miles every 3 minutes. So we can plot the following points:
(0, 0) - starting point
(3, 25) - after 3 minutes, the plane has traveled 25 miles
(6, 50) - after 6 minutes, the plane has traveled 50 miles
(9, 75) - after 9 minutes, the plane has traveled 75 miles
(12, 100) - after 12 minutes, the plane has traveled 100 miles
We can plot these points on the same coordinate plane as the first leg. The resulting graph would also show a straight line with a slope of 8.33 (rise of 25/3 and run of 1).
The two graphs would intersect at the point (6, 45), which represents the halfway point of the round trip.
a number m, rounded to 1 dp is 48.2
another number, n, rounded to 1 dp is 6.7
what are the lower and upper bound of m-n???
Answer:
I just had to say those numbers because of so I can send it like I'm about
To find the lower bound and upper bound of the difference m-n, we need to first find the possible range of values for m and n.
• For m rounded to 1 decimal place, the actual value could be anywhere between 48.15 and 48.25 (since the digit in the second decimal place could be anything from 0 to 9, and we round to the nearest 0.1).
• For n rounded to 1 decimal place, the actual value could be anywhere between 6.65 and 6.75.
Now, we can calculate the lower bound and upper bound of m-n:
Lower bound of m-n = (48.15 - 6.75) = 41.4
Upper bound of m-n = (48.25 - 6.65) = 41.6
Therefore, the lower and upper bounds of m-n are 41.4 and 41.6, respectively.
I need help!
Given the points Q(-8, -8) and R(2, 7), find the coordinates of the point P on directed line segment QR that partitions segment QR in the ratio 2:3.
Answer:
(-2/5, 11/5)
Step-by-step explanation:
We can use the formula for finding a point that divides a line segment into a given ratio. Let P be the point on the line segment QR that partitions it in the ratio 2:3. Then we have:
P = ( (3x2 + 2x1)/(3+2), (3y2 + 2y1)/(3+2) )
where (x1, y1) = (-8, -8) is the coordinates of Q and (x2, y2) = (2, 7) is the coordinates of R.
Substituting the values, we get:
P = ( (32 + 2(-8))/(3+2), (37 + 2(-8))/(3+2) )
P = ( (-2/5), (11/5) )
Therefore, the coordinates of the point P on the directed line segment QR that partitions it in the ratio 2:3 are (-2/5, 11/5).
in a survey of employees on a island, we find that as their primary vehicle to commute to work, 10% use a boat, 35% use a sedan, 50% use a suv, 5% use a bicycle. if an employee is selected at random, what is the probability that you will select a person who uses a suv or sedan?
If an employee is selected at random, the probability that you will select a person who uses a suv or sedan is 85%.
Given data: Primary vehicles to commute to work :
Percentage of employees who use a boat = 10%
Percentage of employees who use a Sedan = 35%
Percentage of employees who use a SUV = 50%
Percentage of employees who use a Bicycle = 5%
Probability of selecting a person who uses a SUV or Sedan can be calculated as follows:
Probability of selecting a person who uses a SUV or Sedan= Probability of selecting a person who uses a SUV + Probability of selecting a person who uses a Sedan
Probability of selecting a person who uses a SUV or Sedan= 50% + 35%= 85%
Hence, the probability of selecting a person who uses a SUV or Sedan is 85%.
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express x squared minus 5x + 8 in the form (x-a) squared + b
Answer:
(x-2.5)^2 + 1.75
Step-by-step explanation:
To write that as an equation, we get x^2 - 5x + 8.
now, we need to complete the square:
x^2 - 5x + 6.25 + 1.75 =
(x-2.5)^2 + 1.75.
Convert.
970 milligrams = centigrams
équation 3 (2x+1) = 4x
Answer:-1.5
Step-by-step explanation:
first distribute 3
to get 6x + 3= 4x
then -6x on right side to get
3= -2x
then divide by -2
3/-2= x
x= -1.5
Hello !
Answer:
[tex]\Large \boxed{\sf x=-\frac{3}{2}}[/tex]
Step-by-step explanation:
We're looking for the value of x that satisfies the following equation :
[tex]\sf 3 (2x+1) = 4x[/tex]
We need to isolate x.
First, let's expand left side :
[tex]\sf 3\times 2x+3\times1=4x\\6x+3=4x[/tex]
Now let's substract 4x from both sides :
[tex]\sf 6x+3-4x=4x-4x\\2x+3=0[/tex]
Substract 3 from both sides :
[tex]\sf 2x+3-3=0-3\\2x=-3[/tex]
Finally, let's divide both sides by 2 :
[tex]\sf \frac{2x}{2} =-\frac{3}{2} \\\boxed{\sf x=-\frac{3}{2}}[/tex]
Have a nice day ;)
Two right triangles have their hypotenuses
on the same line. The height of the first
triangle is equal to the width of the second
triangle. The height of the second triangle
is 12 units, and the width of the first
triangle is 3 units.
What is the slope of the line?
Answer: To solve this problem, we can start by drawing a diagram of the two triangles and the line connecting their hypotenuses. Let's label the height of the first triangle as h1, the width of the second triangle as w2, and the slope of the line as m.
We know that the hypotenuse of a right triangle is always longer than either of its legs, so we can conclude that h1 < w2. We also know that the height of the second triangle is 12 units, so we can label that as h2 = 12.
Using the Pythagorean theorem, we can express the lengths of the hypotenuses in terms of their legs:
h1^2 + 3^2 = L^2, where L is the length of the first hypotenuse
w2^2 + 12^2 = L^2, where L is the length of the second hypotenuse
Setting these two expressions equal to each other, we can solve for h1 in terms of w2:
h1^2 + 3^2 = w2^2 + 12^2
h1^2 = w2^2 + 12^2 - 3^2
h1^2 = w2^2 + 141
h1 = sqrt(w2^2 + 141)
Now, we can use the fact that the hypotenuses lie on the same line to write an equation for that line:
y = mx + b
where b is the y-intercept of the line. Since the hypotenuses intersect the y-axis at the points (0,h1) and (0,12), we know that b = (h1 + 12)/2. Therefore, our equation becomes:
y = mx + (h1 + 12)/2
To find the slope of the line, we can use the fact that the rise (change in y) over run (change in x) is the same for both triangles. We can express this as:
(h1 - 12) / 3 = 12 / w2
Solving for h1 in terms of w2 and simplifying, we get:
h1 = (36/w2) + 12
Substituting this expression for h1 into our equation for the line, we get:
y = mx + ((36/w2) + 24)/2
y = mx + (18/w2) + 12
Comparing this to the general form of the equation for a line, y = mx + b, we see that the slope is simply:
m = 18/w2
Substituting w2 = 3 (since we were given that the width of the second triangle is 3 units), we get:
m = 18/3 = 6
Therefore, the slope of the line is 6.
Step-by-step explanation:
The diameter,D , of a sphere is 19 mm. Calculate the sphere's volume , V.
I NEED THE ANSWER QUICKKKK
I remember doing this but I don’t seem to remember sorry
Factor the following polynomial completely 6x^2+12x+6 the correct answer is 6(x+1)^2 explain in full detail how this answer is achieved you must show every step to receive full credit
please
Answer: 6(x+1)^2
Step-by-step explanation:
1. Find the GCF. Because you know the equation is 6x^2+12x+6, you can see that the coefficients, 6 and 12, are all factors of 6. To make factoring easier, factor out 6 from all the coefficients, which leaves you with 6(x^2+2x+1)
2. Factor the equation in the parentheses. If you have learned your perfect squares, then you know that x^2+2x+1 is (x+1)^2 because x^2+2x+1 = (x+1)(x+1) (you can foil that out if you want to check). Once finished with this, it leaves you with 6(x+1)^2
What is the equation in vertex form of a parabola with a vertex of (–3, 4) that passes through the point (1, –4)
Answer:
y = - [tex]\frac{1}{2}[/tex] (x + 3)² + 4
Step-by-step explanation:
the equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k ) are the coordinates of the vertex and a is a multiplier
here (h, k ) = (- 3, 4 ) , then
y = a(x - (- 3) )² + 4 , that is
y = a(x + 3)² + 4
to ind a substitute the point (1, - 4 ) into the equation
- 4 = a(1 + 3)² + 4
- 4 = a(4)² + 4 ( subtract 4 from both sides )
- 8 = 16a ( divide both sides by 16 )
- [tex]\frac{8}{16}[/tex] = a , that is
a = - [tex]\frac{1}{2}[/tex]
y = - [tex]\frac{1}{2}[/tex] (x + 3)² + 4 ← equation of parabola
Select the expression that makes the equation true.
one half x (3 x 5 + 1) – 2 = ___
4 x (2 + 3)
(4 x 3) ÷ 2
6 ÷ 3 + 2
6 + 8 ÷ 4
The expression that makes the equation true is: (4 x 3) ÷ 2.
option 1 is the correct answer.
What is expression ?In mathematics, an expression is a combination of symbols and/or values that represents a quantity or a relationship between quantities. It can include variables, constants, mathematical operations, and functions.
According to the given information:first, let's simplify the expression within the parentheses:
3 x 5 + 1 = 15 + 1 = 16
Now, we can simplify the entire expression:
1/2 x (3 x 5 + 1) - 2 = 1/2 x 16 - 2 = 8 - 2 = 6
So, we need to select the expression that equals 6:
6 ÷ 3 + 2 = 4
6 + 8 ÷ 4 = 8
(4 x 3) ÷ 2 = 6
Therefore, the expression that makes the equation true is: (4 x 3) ÷ 2.
option 1 is the correct answer.
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Answer:
.
(4x3)---- 2
.
B
Step-by-step explanation:
hope this help!
50 points! Find the value of < Z O X:
< Z O X =
Answer:
64°
Step-by-step explanation:
You want the measure of angle ZOX, the smaller of a linear pair marked (3x -2)° and (5x +6)°.
Linear pairThe angles of a linear pair are supplementary—they total 180°.
(5x +6) +(3x -2) = 180
8x +4 = 180 . . . . . simplify
8x = 176 . . . . . . subtract 4
x = 22 . . . . . . divide by 8
The measure of angle ZOX is ...
∠ZOX = (3x -2)° = (3·22 -2)°
∠ZOX = 64°
__
Additional comment
Angle ZOY is ...
∠ZOY = (5·22 +6)° = 116°, the supplement of 64°.
Describe the range of the relationship shown here
Triangle proofs level 2 please help!!!
how fast are nfl players? prior to 2012, the average forty yard dash time for running backs and wide receivers was 4.53. on average, were nfl players between 2012-2014 significantly faster than in previous years?
The average speed of NFL players varies by position and other factors, and while the forty-yard dash is a common measure of speed, it's important to consider other factors and potential biases when comparing average times between different years.
The average speed of NFL players can vary depending on their position and other factors such as age, height, and weight. The forty-yard dash is a common measure of speed and agility for NFL players.
Regarding the question about whether NFL players were significantly faster between 2012-2014 compared to previous years, we would need to compare the average forty-yard dash times for running backs and wide receivers from 2012-2014 to the average times from prior years to determine if there was a significant difference.
However, it's worth noting that the average forty-yard dash time can be influenced by a variety of factors, including changes in the testing conditions, differences in the player population being tested, and changes in training and coaching techniques. Therefore, we cannot make any definitive conclusions about changes in player speed based solely on this one measure.
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The total cost of a vacation rental depends on when it is being rented: during the week, on the weekend, or over a holiday. The total cost for three different groups to stay at the rental is shown in the table.
The correct statement regarding the solution of the system of equations is given as follows:
A. The solution to the system is viable.
How to model the situation?The situation is modeled by a system of equations, for which the variables are given as follows:
Variable x: cost of a weeknight.Variable y: cost of a weekend night.Variable z: cost of a holiday.From each row of the table, the equations are given as follows:
4x + 2y = 614.3x + y + z = 555.5x + y + z = 733.Subtracting the third equation by the second, the value of x is given as follows:
2x = 178
x = 178/2
x = 89.
From the first equation, the value of y is given as follows:
y = [614 - 4 x 89]/2
y = 129.
From the second equation, the value of z is given as follows:
z = 555 - 3 x 89 - 129
z = 159.
Hence the system has a viable solution.
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Equivalent Expressions & the Distributive Property-Instruction-Levi
The bedroom and the bathroom in a tiny house share a wall. The area of the bedroom is
70 square feet. The area of the bathroom is 35 square feet. The expression 70 +35
represents the total area in square feet.
Which expressions also represent the
total area of the two rooms?
Choose ALL that apply.
10(7+5)
7.10+7.5
10-7+10.5
7(10+5)
70 ft
A=70+35
35 ft
Answer:
Step-by-step explanation:
The distributive property of multiplication over addition can be used when you multiply a number by a sum. For example, suppose you want to multiply 3 by the sum of 10 + 2. 3(10 + 2) = ? According to this property, you can add the numbers and then multiply by 3.
>Y. Write exponential functions: word problems LZW
Dr. Powell is a veterinarian. He gave Ruby, one of the cats he is treating, 40 micrograms of
medication. Based on Ruby's size, Dr. Powell expects there will be about 32 micrograms of
medication remaining in her body after one hour. Dr. Powell knows that the amount of
medication remaining in Ruby's body will continue decreasing each hour.
Write an exponential equation in the form y = a(b)* that can model the amount of medication
in Ruby's body, y, x hours after it was administered.
Use whole numbers, decimals, or simplified fractions for the values of a and b.
y
DO
(0)
To the nearest whole number, how many micrograms of medication can Dr. Powell expect to
be remaining in Ruby's body after 4 hours?
micrograms
Rounding to the nearest whole number, Dr. Powell can expect about 16 micrograms of medication to be remaining in Ruby's body after 4 hours.
What is equation?In mathematics, an equation is a statement that two expressions are equal. It typically consists of two sides, a left-hand side and a right-hand side, separated by an equal sign (=). Equations are used to represent relationships between variables or to solve for unknown values. They are an important tool in algebra, calculus, and other areas of mathematics and science.
Here,
The exponential equation in the form y = a(b)^x that can model the amount of medication in Ruby's body, y, x hours after it was administered is:
y = 40(0.8)ˣ
where:
a = 40, the initial amount of medication given to Ruby
b = 0.8, the factor by which the medication decreases each hour
To find the amount of medication remaining in Ruby's body after 4 hours, we can substitute x = 4 into the equation and evaluate:
y = 40(0.8)⁴
y = 40(0.4096)
y = 16.384
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Please answer this question asap!!!!Find the surface area of a sphere with a volume of 33.51 cubic inches
Answer: 59.02 square inches
Step-by-step explanation:
We can use the formulas for the volume and surface area of a sphere to solve this problem.
The formula for the volume of a sphere is:
V = (4/3)πr^3
Where V is the volume, r is the radius, and π is pi (approximately equal to 3.14159).
We know that the volume of the sphere is 33.51 cubic inches, so we can plug that in and solve for the radius:
33.51 = (4/3)πr^3
r^3 = (3/4) * (33.51/π)
r^3 = 10.56
r ≈ 2.17
Now that we know the radius is approximately 2.17 inches, we can use the formula for the surface area of a sphere to find the surface area:
A = 4πr^2
A = 4π(2.17)^2
A ≈ 59.02 square inches
Therefore, the surface area of the sphere is approximately 59.02 square inches.
(1 point) in how many ways can 5 different novels, 3 different mathematics books, and 1 biology book be arranged on a bookshelf if (a) the books can be arranged in any order? answer: 362880 (b) the mathematics books must be together and the novels must be together?
(a) The number of ways the books can be arranged in any order is 362880,
(b) The number of ways the mathematics books must be together and the novels must be together is 4320.
Part(a) :
The number of mathematics-book is = 3,
The number of novels is = 5,
The number of biology books is = 1,
So, there are total of (5+3+1) = 9 books
These 9 books can be arranged in 9! = 362880 ways.
Part(b) :
If the mathematics book are together we can consider the mathematics books as 1 book and
if the novels are together then these 5 novels can be considered as one.
So, there are total 3 books which can be arranged in 3! Ways.
And these 5 novels can be arranged in themselves in 5! Ways and
these 3 mathematics books can be arranged in themselves in 3! ways.
So, total number of ways = 3!×3!×5! =6×6×120 = 4320 ways.
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numbers that are both positive and less then -3
Real number that is greater than or equal to zero. The only number that is both positive and negative is the number 0.
Help asap first answer will get brainliest
Answer:
C. 13,200 mm²
Step-by-step explanation:
Split the irregular shape.2 triangles and a rectangleFind the areas of each shape.Triangle = A = 1/2 bhWe figured that, 60 is the height of a rectangle and 90 is the length that is connected to the triangles. Which is 90 - 60 = 30. And then the width is 200 that was not disrupted by the irregular shape. The we found that 120 + 2x = 200 because there are 2 triangles that are disrupting the straight line of the width of a rectangle. As a result, it is x = 40 so 40 are the base of the triangle.We plug it in, A = 1/2 40(30), 1/2 (1200), and A = 600.We multiply this by 2 because we have 2 triangles so 600 x 2 = 1200.Rectangle = A = bhWe found the A = bh so we have base which is 200 and we have height which is 60.We multiply 60 and 200. A = 60 x 200 = 12000Overall, we have area of a rectangle which is 12000 and the area of the two triangles are 1200.
We both add them to get the area of the irregular shape.
12000 + 1200 = 13,200 mm²
hey guys whats expand 3(x + 4)
Answer:
3x + 12
Step-by-step explanation:
3(x + 4)
3x + 12
So, the expand is 3x + 12
Answer:
3x + 12
Step-by-step explanation:
You multiply the outside of the perentheses by everything inside, and 3(x) + 3(4) = 3x + 12
Expand this equation 5(y+3)
5y+15
I think this is correct. Hope this helps:)
Answer: 5y + 15
Step-by-step explanation: 5(y+3)
= 5(y) + 5(3)
= 5y + 15
how many teaspoons of minced garlic equals one clove
A restaurant claims to have 455 different combinations when you buy a 3-course meal.
The restaurant serves 5 different starters.
What is the total number of mains and desserts that the restaurant serves?
What is 16 + 2x = 2 + 4x
Answer:
x=7
Step-by-step explanation:
Check the attachment below:
Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. x²+6-9x
Answer:
x² - 9x + 6
Step-by-step explanation:
The polynomial in standard form is:
x² - 9x + 6
This is a quadratic polynomial because it has a degree of 2, and it has three terms.
You and two friends go to a restaurant and order a sandwich. The menu has 10 types of sandwiches and each of you is equally likely to order any type. What is the probability that each of you orders a different type?
The probability that each of you orders a different type of sandwich is 72%.
To find the probability that each of you orders a different type of sandwich, we can use the counting principle.
Step 1: Determine the total number of ways you and your friends can order sandwiches.
Since there are 10 types and each of you can choose any type, there are 10 * 10 * 10 = 1000 possible ways to order.
Step 2: Calculate the number of ways you can order different types of sandwiches.
For the first person, there are 10 choices.
For the second person, there are 9 remaining choices (since their sandwich must be different from the first person's). For the third person, there are 8 remaining choices (different from both the first and second person's choices). So there are 10 * 9 * 8 = 720 ways to order different types of sandwiches.
Step 3: Calculate the probability of ordering different types of sandwiches.
Divide the number of ways to order different sandwiches by the total number of ways to order:
Probability = (Number of ways to order different sandwiches) / (Total number of ways to order)
Probability = 720 / 1000 = 0.72 or 72%.
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