AP Stats 8.2a Quizizz

AP Stats 8.2a Quizizz

9th - 12th Grade

9 Qs

quiz-placeholder

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AP Stats 8.2a Quizizz

AP Stats 8.2a Quizizz

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSS.IC.B.4, HSS.ID.A.4

Standards-aligned

Created by

JORGE GAMBOA

Used 1+ times

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9 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

A survey was given to a random sample of 55 residents of a town of 30,000 people to determine whether they support a new plan to raise taxes in order to increase education spending. Of those surveyed, 8 respondents said they were in favor of the plan.

Which of the following conditions are met for determining a 95% confidence interval? Check all that are met.

Random Condition

Large Counts Condition

10% Condition

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

A study of a large local high school tried to determine the mean amount of money that each student had saved. The study surveyed a random sample of 97 AP students in the high school and found a mean savings of 4100 dollars with a standard deviation of 500 dollars.

Which conditions are met for calculating a confidence interval? Check all that are met.

Random Condition

10% Condition

Normal/Large Counts Condition

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

A survey was given to a random sample of 1750 voters in the United States to ask about their preference for a presidential candidate. Of those surveyed, 595 respondents said that they preferred Candidate A.

Which of the following conditions are met for calculating a confidence interval for this situation?

Random Condition

10% Condition

Large Counts Condition

Tags

CCSS.HSS.IC.B.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the critical value, z*, for 91% confidence.

1.70

1.34

0.18

-1.34

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the critical value, z *for 97%

1.88

2.17

-1.88

-2.17

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For a sample, the 95% confidence interval is (0.202, 0.482).


What is the margin of error of this sample?

0.28

0.14

0.342

0.684

Tags

CCSS.HSS.IC.B.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A sample of 400 racing cars showed that 80 cars cost over $700,000. What is the 99% confidence interval of the true proportion of cars costing over $700,000?

0.023 < p < 0.045

0.001 < p < 0.005

0.148 < p < 0.252

0.566 < p < 0.693

Tags

CCSS.HSS.IC.B.4

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A recent study of 750 Internet users in Europe found that 35% of Internet users were women. What is the 95% confidence interval of the true proportion of women in Europe who use the Internet?

0.316 < p < 0.384

0.305 < p < 0.395

0.309 < p < 0.391

0.321 < p < 0.379

Tags

CCSS.HSS.IC.B.4

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

It was found that in a sample of 90 teenage boys, 70% of them have received speeding tickets. What is the 90% confidence interval of the true proportion of teenage boys who have received speeding tickets?

(0.591, 0.812)

(0.615, 0.805)

(0.584, 0.830)

(0.621, 0.780)

Tags

CCSS.HSS.IC.B.4