Is this correct and why?

Is This Correct And Why?

Answers

Answer 1

Answer:

For a given confidence level, t* is never smaller than z*.

Step-by-step explanation:

t* and z* are the critical value of a confidence interval.  For example, at 95% confidence, z* = 1.96.  This is because 95% of a normal curve is within ±1.96 standard deviations.

A student's t distribution has the same bell-curve shape as a normal distribution, but is shorter and wider, which is why t* is always larger than z*.  As the sample size increases to infinity, the distribution approaches normal.


Related Questions

10{3[25-6(22-19)+11]} help pls i need the work also

Answers

Answer:

=540

Step-by-step explanation:

10(3(25−6(22−19)+11))

=10(3(25−(6)(3)+11))

=10(3(25−18+11))

=10(3(7+11))

=10(3)(18)

=(10)(54)

=540

- it's a simplification process

WILL GIVE BRAINLY FOR ANSWER!!!
If f(2) = 13, which could be the equation for f (x)?
A) f (x) = x2 + 8
B) f(x) = 3x2 +1
C) f(x) = 2x3 + 5
D) f (x) = x2 + x
Only use letter in your answer choice!!!

Answers

the answer is B for this question

The equation for f(x) if the independent value is 2 will give a result of 13 is (x) = 3x² + 1

Functions and values

Given the expression f(2) = 13, we need to find the function such that when the input value is 2, the output value will be 13.

Using the function f(x) = x² + 8

f(2) = 2² + 8

f(2) = 4 + 8 =12

Using the function f(x) = 3x² + 1

f(2) = 3(2)² + 1

f(2) = 12 + 1 =13

Hence the equation for f(x) if f(2) = 13 is (x) = 3x² + 1

Learn more on functions here: https://brainly.com/question/17043948

#SPJ2


George bought 7 ounces of grapes for $3.36. What was the price of the grapes per
ounce?

Answers

Your answer is quite simple, really. All you have to do is divide $3.36 by 7 (The ounces of grapes he bought), and your answer should come out to be $.48, to check if this is correct, you then should add .48, 7 times, or multiply it by 7. Which, is what I did. And that should bring you to 3.36!

- 4v-3 = -2v + 5
V =

Answers

Answer:

Hello! I hope Im correct! :)

Step-by-step explanation:

The answer should be v = -4

step 1: Add 4v to both sides.

-3=-2v+5+4v

step 2: simplify.

-3=2v+5

step 3: subtract 5 from both sides.

-3-5=2v

step 4: Simplify.

-8=2v

step 5: divide both sides by 2.

-8/2 = v

step 6: simplify.

-4=v

(V = -4)

Therefore the answer is V = -4

Hope this helps! If you have any questions about these steps, feel free to ask! Have a Awsome day! :)

~by, BrainlyAnime <3

What is 2+2.





Please help

Answers

Answer:

4

Step-by-step explanation:

2 add 2 is 4............

The answer obtained after adding the term will be 4.

What exactly is simplification?

Simplifying means making something easier to do or comprehend, as well as making something less difficult.

Given problem;

2+2

We have to perform the addition to get the solution. The addition is the way to add the terms;

⇒2+2

⇒4

Hence the answers obtained after adding the term will be 4.

To learn more about the simplification, refer to:

https://brainly.com/question/23509407

#SPJ2

If M is the midpoint of XY and XM=2x+5 and MY=3x-1, then what is the length of MY?

Answers

Answer:

If M is mid point then XM = MY

2x +5 = 3x -1

2x - 3x = -1 - 5

-x = -6....so

x = 6

MY = 3(6) -1

MY = 18 -1

MY = 17

nora and eli are making springrolls for a party. nora can make 8 springrolls in 10 min. eli can make 10 in 12 min. if they each make 40 springrolls in 10 min who can finish first?​

Answers

Eli will finish first

Answer:

Eli

Step-by-step explanation:

8/10=0.8

10/12=0.833333...

0.8<0.83333....

What's 4 divided by 5 nineths

Answers

Answer:

I think the answer is 7.2

Step-by-step explanation:

Answer:

7.2

Step-by-step explanation:

kevin has $25. mp3 downloads cost 0.75

Answers

Answer:

He could make 33 downloads and have $0.25 left.

Step-by-step explanation:

Answer:

33 Downloads

Step-by-step explanation:

I'm assuming the question is asking how many downloads can Kevin get. the answer is 33 downloads.

Help I don’t know the answer

Answers

D I have no explanation
I’m pretty sure it’s C trust if not then it’s B lol sorry

Which inequality is true when X = -8?
-4+ 4x > 20
-7- 4x < 27
8+ 3x>-10
5- 2x 15

Answers

Answer:

2

Remember:

+ and - = -

- and + = -

- and - = +

+ and + = +

1. -4 +(-8) > 20

-4 - 8 > 20

-12 > 20? Incorrect

2. -7 - 4(-8) < 27

-7 + 32 < 27

25 < 27? Correct

3. 8 + 3(-8) > -10

8 - 24 > -10

-16 > -10? Incorrect

4. 5 - 2(-8) < 15

5 + 16 < 15

21 < 15?, Incorrect

If you can choose one scoop of ice cream and one topping, how many different sundaes can you make?
A. 3
B. 2
C. 5
D. 6
E. 8​

Answers

Please elaborate. This is incomplete and requires more data.

I need help I'm not good at this very much

Answers

Answer:

1- corresponding? 2- alternate interior 3- linear pair 4- alternate exterior 5- vertical 6- alterative exterior?

Step-by-step explanation:

I hope this help sweetie:(

The dealership is offering a $2000 debate and a 10% discount off the price of the car ​

Answers

Answer:

1800

Step-by-step explanation:

Answer:

1800

Step-by-step explanation:

10% of 2000 is 200 2000-200 =1800

find the value of x.
I need help
ANSWER is 10, but I need to show the equations and show my work
THANK YOU

Answers

Answer:

90-52=3x+8 subtract 52 from 9p

38=3x+8 subtract 8 from both sides of the =

30=3x divide both sides of = by 3

10=x this is the answer

sry i have another one hah meme but for real 1x1

Answers

Answer:

f'

Step-by-step explanation:

What?

Yeah I gues well

YEE

Lines AC and BD intersect at E. A figure. What is the measure of angle BEC?

Answers

Answer:

Angle BEC = 108°

Step-by-step explanation:

Vertical angles formed when two straight lines intersect are always congruent to each other. That is, the vertical opposite angles formed are of the same measure.

Angle AED = 108°

Angle AED and angle BEC are vertical opposite angles form by intersecting lines, therefore, angle AED = angle BEC.

Angle BEC = 108°

can any one answer this.

ASAP

Answers

1 to 1 2to 3 3 to 2

Answer:

your supposed to add 1 to 12 , and then 3 to 2 or vice versa

Step-by-step explanation:

COMBINE LIKE TERM AND SOLVE FOR X
3.3x-26.4-x=1.2

Answers

Answer:

X=12

Step-by-step explanation:

The answer is 12....

4^6 x 5^7 x 2^1
What is the answer

Answers

4 times 6 equal 24 and 5 times 7 is 35 and 2 times 1 is 2 so 35+24+2 and it equals 61
The answer is 640000000 or 6.4x10^8

1. 3 apples cost $1.26. How much does 1 apple cost?

Answers

Answer:

=$0.42

Step-by-step explanation:

Divide 1.26 by 3 and you'll get $0.42

Hope this helps (:

1 Apple cost 0.42 cents 0.42 times 3 :)

Calculate the peak hour volume for six-15 minute periods with the following volumes: 125, 130, 135, 140, 145, 155

Answers

Answer:

The peak hour volume is 620

Step-by-step explanation:

Here, we want to calculate the peak hour volume

To calculate the peak hour volume, we need some information

Firstly we need to know that a period of 15 minutes refer to 1/4 of an hour

So, the given volume needs to be multiplied by 4 to get the peak hour value

Now back to the values given, we need the highest of them all

As regards the question, the highest of them all is 155

So the peak hour volume here would be 155 * 4 = 620

Identify the constant of proportionality in the equation.

4y = 48x
A) 1
B) 4
C) 12
D) 48

Answers

Answer:

12

Step-by-step explanation:

4y = 48x

Divide each side by 4

4y/4 = 48/4

y = 12x

The constant is 12

Answer:

12

Step-by-step explanation:

48/12=4

y=12

the sum of X and 4 is greater than the difference of 2x and 3 find x

Answers

Answer:

x = 7

Step-by-step explanation:

x + 4 > 2x - 3

x by itself = 1x

1x + 4 > 2x - 3

Subtract 1x

1x - 1x + 4 > 2x - 1x -3 =

4 > 1x -3

Add 3

4 + 3 > 1x -3 +3 =

7 > 1x

1x is the same as x

7 = x

Can someone help me solve this quickly

Answers

Answer:

38

Step-by-step explanation:

Answer:

31

Step-by-step explanation:

if there all about the same size which Im guessing they are then you take the amount of grams and divide it by 21 and you get 31.62 so its 31.

Hope this helps.

PLEASE HELP!!!!! Sebastian owns a food truck that sells tacos and burritos. He only has enough ingredients to make 122 tacos or burritos.Write an inequality that could represent the possible values for the number of tacos sold, t t, and the number of burritos sold, b b, that would satisfy the constraint.

Answers

Answer:

t+b<=122

Step-by-step explanation:

You know that the total is a maximum of 122, and it can be either tacos or burritos, so it is that.

Answer:

61/61 each

Step-by-step explanation:

you will have two left so 61 each. 60+60=120, 120+2=122

For an outdoor track meet to be cancelled, the temperature, t, outside must be colder than 35 degrees. Complete the following inequality by dragging the correct inequality symbol to the box.​

Answers

Answer: I'm pretty sure it would be -7º Celcius for it to be cancelled. Hope it helped!

Answer:

-7

Step-by-step explanation:

Can someone help pls

Answers

I got 7.1 x 10^(-11) but it's been a few years so I could've done it wrong

The graph of y < 2 - 3is shown.
Which set contains only points that satisfy the inequality?
A (412) (1,5), (4), (5. 6))
B. 11. 10). (5.7) (4-13) (32)
OC (57).(3.10) (57) (1.4)
OD. 133 (4-1), (2, 3). (5.0))

Answers

Answer:Its letter b i think

Step-by-step explanation:

     


An elevator started at the third floor and went up 17 floors, then down 11 floors, and up again 9 floors. Which floor is the elevator on now?
(Be sure to include your number sentence and answer.)

Answers

Answer:

18

Step-by-step explanation:

it is at 18th floor buddy

Answer:18rd floor

Step-by-step explanation:

3 + 17- 11 + 9 = 18

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