Describe how to select a stratified random sample of 36 people hired by ETS to score the AP Statistics Exams. Explain your choice of strata.

Answers

Answer 1

Answer:

The strata will be the category of people with at least 3 years of working experience scoring AP Statistics

Step-by-step explanation:

The strata will be the category of people with at least 3 years of working experience scoring AP Statistics Exams.

I will use this strata because it is only those with a track record of scoring AP Statistics Exams that can rightly score for ETS. People who don't have the right amount of experience of scoring AP Statistics exam may need some training because they need to understand the specifics on how to grade some questions and respective answers.


Related Questions

What is the equation of this line in Slope intercept Form?​

Answers

Answer:

y = x - 5

Step-by-step explanation:

A 100​-inch pipe is cut into two pieces. One piece is three times the length of the other. Find the length of the shorter piece.

Answers

The shorter piece would be 25 inches

Evaluate x=2
F(x)=2x+4

Answers

X=2
F(x)=2(2)+4
f(x)=8

PLEASE PLEASE HELP!!!!

Answers

Answer:

It's A or B but I think B

Step-by-step explanation:

40 is 60% of what number? **ROUND TO THE NEAREST TENTH** *

Answers

Answer:

66.7

Step-by-step explanation:

hope this helps

Answer:

40 is 60% of 66.7

Step-by-step explanation:

By using the bowtie method, you can check as 40 multiplied by 100 equals 4,000. Then divide 4,000 by 60 to get 66.66666. Since you round to the nearest tenth, it'll be 66.7

hope this helps! =)

12 1/2 gal= qt
can you help me plsssssss

Answers

Answer:

50 qrts

Step-by-step explanation:

12.5 gal = 4x qrts

12.5 * 4 = 50

in 1/2 a gal. there is 2qt.

so that makes a gal = 4qt.

12 x 4 =48qt plus 2qt equals 50 qt

A triangle has two sides of length 5 and 11. What is the smallest possible whole-number
length for the third side?

Answers

The smallest possible whole number length for the third side is 7

Data obtained from the question1st length = 52nd length = 113rd length =?

How to determine the smallest possible length of the 3rd side

Case 1

1st + 2nd > 3rd

5 + 11 > 3rd

16 > 3rd

3rd length < 16

Case 2

1st + 3rd > 2nd

5 + 3rd > 11

3rd > 11 - 5

3rd > 6

Thus, we have

6 < 3rd length < 16

Since the 3rd length is greater than 6, then the smallest possible length for the 3rd side is 7

Learn more about sides of triangles:

https://brainly.com/question/17113064

#SPJ1

If Big Bun won 5 out of 25 matches, what percent did he win?

Answers

Answer:

5/25*100=

1/5*100=100+5=20

Please help me ASAP

Answers

All you have to do for this is plug in each coordinate point to the function. Ex. (0,2). Plug in 0 to the “x” part of the function, and solve that side; you will get 2. Then you plug in 2 in this case for “y”. You will end up with 2<2 which is a FALSE statement. And you keep doing that until you get a TRUE statement.
Answer:  Choice C.  (0,0)

=====================================================

Explanation:

This is the only point in the shaded region. The other points are either on the boundary line or outside the shaded region. Points on the boundary do not count because of the dashed line. The dashed line is due to no presence of an "or equal to" as part of the inequality sign.

See the diagram below.

---------------------

A nonvisual approach will have you plug each of the coordinates into the given inequality.

For instance, choice A has x = 0 and y = 2 pair up which plug in to get

y < (-2/3)x + 2

2 < (-2/3)*0 + 2

2 < 2

which is false, so that's why choice A is not the answer. You should find that choices B and D are false too. Only choice C is true because

y < (-2/3)x + 2

0 < (-2/3)*0 + 2

0 < 2

which confirms the answer we got when we used the visual approach.

math picture help me

Answers

Answer:

D

Step-by-step explanation:

In the most recent NBA Finals series, Lebron James took 175 shots and made 80.
In his last NBA Finals series, Michael Jordan took 190 shots and made 85. Who had a better percentage?

Answers

Answer:

Michael Jordan

Step-by-step explanation:

190-85 =105

175-80=95

Answer:

Michael Jordan

Step-by-step explanation:

A number cube has a volume of 27 mm3. What is the length of one edge of the cube

Answers

If the volume of a cube is 27 it means that one edge is equal to the cube root of 27
3*3*3=27
Edge=3

I hope it was helpful

There are 39.37 inches in 1 meter. How many inches are in 8 · 104 meters?

Answers

Step-by-step explanation:

[tex]1meter = 39.37inches \\ 8.104meters = (39.37 \times 8.104)inches \\ = 319.05448inches[/tex]

There are [tex]3.1496\cdot 10^6[/tex] inches in [tex]8\cdot 10^4[/tex] meter.

Important information:

There are 39.37 inches in 1 meter.Convert meter to inches:

Using the given information,

1 meter = 39.37 inches

Using this conversion, we get

[tex]8\cdot 10^4[/tex] meter = [tex]39.37\times (8\cdot 10^4)[/tex] inches

[tex]8\cdot 10^4[/tex] meter = [tex]39.37\times 80000[/tex] inches

[tex]8\cdot 10^4[/tex] meter = [tex]3149600[/tex] inches

[tex]8\cdot 10^4[/tex] meter = [tex]3.1496\cdot 10^6[/tex] inches

Therefore, there are [tex]3.1496\cdot 10^6[/tex] inches in [tex]8\cdot 10^4[/tex] meter.

Find out more about 'Convert meter to inches' here:

https://brainly.com/question/2284603

is 98,376,751 an even or odd number

Answers

Answer:

it is an odd number

it could be even if it ended in 0, 2, 4, 6, and 8

Step-by-step explanation:

please give me brainliest

Write the standard form equation of the line through the given points. through (0.-4) and (-3,-2)

Answers

Answer:

The standard form of equation of the line through the given points. through (0.-4) and (-3,-2) is [tex]\frac{2}{3}x+y=-4[/tex]

Step-by-step explanation:

The standard form of equation is [tex]Ax+By=C[/tex]

Finding slope

Using the given points (0,-4) and (-3,-2) we can find slope using formula:[tex]Slope=\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]Slope=\frac{-2-(-4)}{-3-(0)}\\Slope=\frac{-2+4}{-3} \\Slope=-\frac{2}{3}[/tex]

Finding y-intercept

Using point (0,4) and Slope=-2/3 we can find y-intercept

[tex]y=mx+b\\-4=-\frac{2}{3}(0)+b\\-4=0+b\\b=-4[/tex]

The slope intercept form of the line through the given points. through (0.-4) and (-3,-2) having slope =-2/3 and b=-4 will be:

[tex]y=mx+b\\y=-\frac{2}{3}x-4[/tex]

Now, standard form of equation will be: [tex]\frac{2}{3}x+y=-4[/tex]

So, The standard form of equation of the line through the given points. through (0.-4) and (-3,-2) is [tex]\frac{2}{3}x+y=-4[/tex]

How many of each color ballon will be in each bouquest


plz answer this

Answers

Answer:

15

Step-by-step explanation:

Suppose that the halflife of a substance is 250 years . If there were ir 100 the substance , (a) give an exponential model for the situation, and (b) how much wil years?
can anyone answer this please:(

Answers

After 500 years one would have N nuclei of the original substance.

N = 100 * exp ( -ln(4) ) = 25

LOL.

I guess it is exp( - lamda * t)

Lamda, the decay constant is the ln(2) over the half life.

So we get exp( -ln(2)/250 * 500) or exp ( -ln(4) )
690 viewsView 1 Upvoter
Related Questions (More Answers Below)

Miguel is multiplying 5/8 by 1/2. Use the drop-down menu to complete the statement.

Answers

Answer:

5/8 x 1/2 = 0.3125 in decimal form

Step-by-step explanation:

Answer:

less than

Step-by-step explanation:

In which of these cases is each stamp worth the most? 7 of the same stamp worth a total of $3.15 8 of the same stamp worth a total of $3.20 10 of the same stamp worth a total of $4.10 16 of the same stamp worth a total of $4.80

Answers

Answer:

0.45

Step-by-step explanation:

1. 3.15÷7=0.45

2. 3.20÷8=0.40

3. 4.10÷10=0.41

4. 4.18÷16=0.26

Answer:

c i think sorry if its not good

Step-by-step explanation:

4.28 divide by 7 equals ?

Answers

Answer:

0.611428571

Step-by-step explanation:

[tex]4.28 \div 7 \\ \\ = \frac{4.28}{7} \\ \\ = 0.611428571 \\ [/tex]

If 300 cones were sold, how many were chocolate?

Answers

Answer:

90

Step-by-step explanation:

An airplane flying with the wind takes 2 hours to travel a distance of 360 miles.

The return trip takes 3 hours flying against the wind.

What is the speed of the airplane in still air and how fast is the wind blowing?

Answers

Answer: still air is 150mph. The wind speed is 30mph.

Step-by-step explanation:

X=speed of the plane, Y=speed of the wind.

360/2hours=180

360/3hours=120

2x=180+120

2x=300

X=150

The airplane in still air is 150mph

Add together

X+y=180

150+y=180

Y=180-150

Y=30mph

The wind speed is 30mph

answerrrr plssssssssss

Answers

Answer:

no solution

Step-by-step explanation:

A mini bus can carry 8 students. How many mini buses will be needed to transport 38 students?

Answers

Answer:

5 buses

Step-by-step explanation:

you need to divide the number of students (38) by the number of students a mini bus can carry.

38 : 8 = 4.75

since they want to know how many buses will be needed to transport all students, you round 4.75 to 5

hope this helps!

slope 1/4 and y intercept is -5
point slope

Answers

Answer:

uhhyvygygyggyhygybybybyvtvtv

how did u get this and what is it I need help so bad​

Answers

Answer:

y=6x+5

Step-by-step explanation:

I am not sure if this is the answer but it's worth a try...

The table shows the prices of some candy items at a store. Jake selected 1.6 pounds of Fruit Chews and 2.6 pounds of Jelly Beans. The sales tax for his purchase was $0.52.



.Item. .Price Per Pound.
.Fruit Chews. - $4.70
.Jelly Beans. - $2.35
.Chocolate. - $3.50


.If Jake had $25 to spend at the candy store, how much money did Jake have left after his purchase?

Answers

Answer : 11.80$

Step-by-step explanation:

He spends 8.70$ on Fruit chews and..

4.50 $ on jelly beans

add them up then subtract them by the amount of money he already has

BRAINLIST ???

Answer:

He had 10.85 left

Step-by-step explanation:

Fruit chews 4.7 x 1.6 = 7.52

Jelly beans 2.35 x 2.6 = 6.11

7.52 + 6.11 + 0.52 = 14.15

25 - 14.15 = 10.85

Can someone pls help me right quick hurry pls

Answers

Answer:

b

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

4 in hundreds (400)

3 in ones (3)

2 in tenths (.2)

9 in hundredths (.09)

what is the value of x in the equation below?
-3-(-8)-(-2)=x​

Answers

Answer: The X =7

Step-by-step explanation:

So by simplifying both sides of the equation, then isolating the variable you get the answer and find the value of x Hope this Helps


Math plz help
Geometry

Answers

?????????? What are you asking cause I’m confused
????

Answer:

Okay

Step-by-step explanation:

Since it's a parallelogram, the adjacent angles on the same side is complimentary. Meaning they add up to get 180°.

So,

12x° + 8x° = 180°

20x°= 180°

x°= 180/20

x°= 9°

Hope you understand. Thank you

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