Answer:
(c) A false negative (concluding the job candidate is not a drug user when he or she indeed is)
Step-by-step explanation:
First, we need to determine if it is possible for type II error to occur or not.
In analysis, type 2 error occurs when the stated null hypothesis is false.
The given null hypothesis here is "a job candidate is not a drug user" which indicates false. This means that option (e) cannot be the solution.
Having established that there is a possibility for an occurrence of type II error.
Next, is to determine the error.
Type II error implies false negative; hence, options (a), (b) and (d) cannot be the solution.
(c) is correct.
A study shows that unemployment has not impacted white-collar and blue-collar workers equally (Newsweek, April 20, 2009). According to the Bureau of Labor Statistics report, while the national unemployment rate is 8.5%, it is only 4.3% for those with a college degree. It is fair to assume that 27% of people in the labor force are college educated. You have just heard that another worker in a large firm has been laid off. What is the probability that the worker is college educated
Answer:
0.137
Step-by-step explanation:
The computation is shown below:
Educated = 0.27
And, unemployed to educated is 0.043
Now probability of educated and unemployed is
= 0.043 × 0.27
= 0.1161
So, the educated would be
= 0.01161 ÷ 0.085
= 0.137
A paper company produces 2,985 notebooks in 3 days. How many notebooks can it produce in 11 days?
Answer:
10080
Step-by-step explanation:
2985÷3=995×11=10080
Answer:
It can produce 32,835 in 11 days.
Step-by-step explanation:
2,985 x 3 = 8,955
2,985 x 3 = 8,955
2,985 x 3 = 8,955
If you add another three, that'll be 12, so, we'll multiply 2,985 x 2.
2, 985 x 2 = 5,970
Now, Add all of those 4 numbers together,
8,955 + 8,955 + 8,955 + 5,970 = 32,835
A restaurant customer left $1.80 as a tip. The tax was 7% and the tip was 20% of the after-tax cost. What was the total bill?
Your answer is
Assume that total bill = x,
tax was 7 % and tip( 1.8) was 20% of ( tax + bill)
equation : ( x+0.07x)*0.2= 1.8
so, 1.07x= 9
Total bill= 8.41
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What is 3 divided by 3 and 1/4
Answer:
3/3/14=0.92307692307
Step-by-step explanation:
3 and 1/4 is 3.25 so 3/3.25
now we need to estimate which is maybe either 0.92 or 0.923
pls give brainliest i haven't got one
hope this helps!
Can someone please help need it urgently will give brainliest to first answer
Answer:
Step-by-step explanation:
[tex]1220+92a\ge 8000[/tex]
FAST PLS
Mary bought 10 1/2 pounds of turkey for a picnic. There were 4 3/4 pounds of turkey left after making 25 turkey sandwiches. Which statement is true?
A The quotient −534÷25=−23100 means the average change in the total amount of turkey decreased by 23100 pound per sandwich.
B The quotient −534÷25=−23100 means the average change in the total amount of turkey increased by 23100 pound per sandwich.
C The quotient 534÷25=23100 means the average change in the total amount of turkey decreased by 23100 pound per sandwich.
D The quotient 534÷25=23100 means the average change in the total amount of turkey increased by 23100 pound per sandwich.
Answer:
HEYO!! soo the answer is A!! I tried B like the other person said but i got it wrong! so its A!
Step-by-step explanation:
Option A is correct. The quotient −534÷25=−23100 means the average change in the total amount of turkey decreased by 23100 pound per sandwich.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given that Mary bought [tex]10\frac{1}{2}[/tex] pounds of turkey for a picnic.
There were [tex]4\frac{3}{4}[/tex] pounds of turkey left after making 25 turkey sandwiches.
We need to find which statement will be true from the given options.
The solution we get by using the division process.
Division is nothing but splitting something to equal parts.
The quotient −534÷25=−23100 means the average change in the total amount of turkey decreased by 23100 pound per sandwich is the true statement.
Hence, Option A is correct. The quotient −534÷25=−23100 means the average change in the total amount of turkey decreased by 23100 pound per sandwich.
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PLZZ HELP I WILL GIVE YOU 30 POINTS!!!!!
Jamal has 15 to spend at the concession stand. hey buys nachos for 7.50 and he wants to purchase some sour straws for a 1.50 each. how many sour straws can Jamal purchase with the money he has left
Answer:5
St5ep-by-step explanation:
A triangle with vertices at A (20, -30), B (10, -15) and C (5, -20) has been dialted with a center of dialation at the origin. The image of B, point B' has the coordinates (2, -3). What is the scale factor of the dilation?
Answer:
Scale factor: 1.8
Step-by-step explanation:
AB' = √(20-2)² + (-30 - -3)² = √1053 = 9 √13
AB = √(20-10)² + (-30 - -15)² = √325 = 5 √13
AB' / AB = 9 √13 / 5 √13 = 9/5 = 1.8
Happy Paws charges $16.00 plus $3.50 per hour to keep a dog during the day. Woof Watchers charges $11.00 plus $4.75 per hour. Complete the equation and solve it to find for how many hours the total cost of the services is equal. Use the variable h to represent the number of hours.
Answer:
First, set up equations for total cost for both Happy Paws and Woof Watchers.
x= number of hours
y= total cost
Happy Paws
y=3.50x +16
Woof Watchers
y=4.75x+11
4.75x+11=3.50x+16
x=4
You can check your answer by doing the following:
Happy Paws: (3.50)(4)+16= 30
Woof Watchers: (4.75)(4)+11= 30
choose the fraction that is greater than 3/18, is less than 50/100, and has 9 as it denominator
Answer:
3/9 or 4/9
Step-by-step explanation:
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Answer:
k
Step-by-step explanation:
can i have branliest answer for no reason and god bless u
Answer:
period
Step-by-step explanation:
Imagine having all things
Answer:
things would be abit boring if you had everything tbh
Step-by-step explanation:
Simplify (2b+9)+(13+5b)
Plz help mee
A. 49.75
B.74.75
C.156
D.1196
Answer:
B: 74.75
Step-by-step explanation:
If four roommates (I don't know how to spell it) want to divide the prize of a computer which costs 299 is the same as: 299/3 which gives you 74.75
what is -5xy and 8xy
Answer:
3xy
Step-by-step explanation:
Answer10:
Step-by-step explanation:
10
!!!!!!!please help!!!!!!!!
Answer:
The first one is No. The second one I do not know unfortunately.
Step-by-step explanation:
I am in the middle of this lesson in my math class as well and I know that in order to make a triangle, you need the two smaller sides to add up to become larger than the biggest side. In the case of the first question, the two smaller sides, 6 and 3 equal 9, which is not bigger than the biggest side which is 10. I hope you can find the answer to the second one, but for now, the first one is No.
how many ways can 60 baseball cards be arranged in rows containing the same number of cards?
Answer:
10 ways, 6 in each pile
or 6 ways, 10 in each pile
Step-by-step explanation:
Hep solve this Geometry problem
Hi everyone pls answer I will give you BRAINLEST!! Pls help
What is the density of a 64-g iron cube that displaces 8 mil of water?
Answer: 8gml
Step-by-step explanation:
Classify each statement about the function f(3) = 323 +6 as true or false.
Answer:
true.
false
true.
false.
Step-by-step explanation:
1. The domain (x-value) of a function is (-∞, +∞) unless there is some reason for it not to be. No matter what we make x, we do not wind up with something forbidden in the real-number coordinate plane, like a zero denominator or a square root of a negative number, so the domain for x is all real numbers. True.
2. The statement says the range (the y-value) of the function must always be more than zero. There is no particular reason to belive that. If x = -10, then x³ + 6 = -1000 + 6 = -994, which is less that zero. False.
3. We get the y-intercept by making x equal zero. In tha case y = 0³ + 6 = 6. The y-intercept always has an x-coordinate of zero, so the point is (x, y) = (0, 6). True.
4. If a function has symmetry about the origin point, then replacing y with -y and x with -x will get you an equation equivalent to the original. let's try it.
-y = 3(-x)³ + 6 now lets see what happens it we let x = 2
For the original equation: y = 3(2)³ + 6 = 3(8) + 6 = 24 + 6 = 30
Now we try the test equation: -y = 3(-2)³ + 6 = 3(-8) + 6 = -24 + 6 = -18
So -y = -18
So y = 18
The first equation and the test equation are not equivalent, as they do not yield the same results for the same value of x.
Thus, the origin is not a point of symmetry. False.
I am attaching a picture of this function's graph so you can see the actual point of symmetry is (0, 6), which is also the y-intercept. I made it on Desmos dot com, which is free for everyone.
The Domain = (-∞, ∞) and Range = (-∞, ∞), y-intercept occurs at (0, 6) and the origin is not a point of symmetry.
Domain, range, and y-interceptGiven the function [tex]f(x)=3x^3 + 6[/tex]
Domain and range are the value of input and output that the function exists.
For the given function, the domain and range exist on all real numbers.
Domain = (-∞, ∞) and Range = (-∞, ∞)
The y-intercept occur at (x) = 0
g(0)= 3(0)^3 + 6
g(0) = 6
Hence the Domain = (-∞, ∞) and Range = (-∞, ∞), y-intercept occurs at (0, 6) and the origin is not a point of symmetry. False.
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I WILL MARK BRAINLIEST :) Determine which segment is shortest in the diagram.
Answer:
C.
Step-by-step explanation:
Answer:
C. Segment AC
Step-by-step explanation:
I am going to figure all the angles first. Triangles always add up to 180 degrees so I am going to use that.
50 + 49 = 99
180 - 99 = 81
<C = 81°
99 + 37 = 136
180 - 136 = 44
<A = 44°
The shortest segment is always going to be opposite the smallest angle. The smallest angle is 37°. Therefore, Segment AC is the shortest.
Rewrite the equation using the distributive property
2(9x+4)
Answer:
18x+8
Step-by-step explanation:
distribute
2 x 9x = 18x
2 x 4 = 8
Hope This Helps!!
Please help! Please help!
Answer:
I have seen this question before and I believe the answer is 94
Step-by-step explanation:
Which of the following is the graph of f(x) = -0.5|x + 31-2?
Answer:
0.5x+ 29
Step-by-step explanation:
collect like terms 0.5x+(31-2)
simplify 0.5x+29
DJ Ali is making a playlist for a friend; she is trying to decide what 99 songs to play and in what order they should be played. If she has her choices narrowed down to 1616 blues, 2323 country, and 1515 jazz songs, and she wants to play an equal number of blues, country, and jazz songs, how many different playlists are possible
Answer: 1.637 x 10¹⁴ different playlists
Step-by-step explanation: Since DJ Ali needs to choose 9 songs and wishes that the number of blues, country and jazz songs are the same, she needs to pick 3 songs of each type. The total number of ways she can choose the songs, without considering their order is:
The number of possible ways of ordering those nine song is:
There are 1.637 x 10¹⁴ different possible playlist.
Answer:
If she wanted to play 99 songs and play an equal amount of blues, country, and jazz she would play 33 songs from each category.
33 blues
33 country
33 jazz
= 99 songs
Step-by-step explanation:
Students are asked to simulate picking their favorite color from a list of six different colors. Which of the following devices could be used to simulate choosing a favorite color? Select all that apply.
A coin flipped once
B One spin on a spinner with four equal sections
C A number cube
D Pieces of paper with each color on exactly one piece
E A random number table
Answer:
Step-by-step explanation:
A number cube has six sides so that would work rolling a die.. Also six pieces of paper drawn randomly without looking would work.
3⁷×3-⁴ I need help asap!
Hope it helps
Have a good day Ahead
Answer:
the answer will be 27
Step-by-step explanation:
Which expression is equivalent to 18 - 20
O 18+(-20)
18 - (-20)
-18 + 20
- 18 - 20
answer: a. 18 + (-20)
explanation: adding a negative is the same as subtracting a positive