Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

thirty randomly selected students from her school

thirty students who are rarely tardy

thirty students who are often tardy

The average miles on a tank of gas for the Ford Explorer is 300 miles with a standard deviation of 22 miles. A consumer group feels the average is actually lower. They survey 40 vehicles and find the average miles per tank is 290 miles. At α = 0.05, test the consumer groups’ claim that the miles per tank is actually lower than 300 miles.

There is enough evidence to support the claim

There is not enough evidence to support the claim

There is not enough evidence to reject the claim

There is enough evidence to reject the claim

Approximately 70% of the U.S. population recycles. According to a green survey of a random sample of 250 college students, 204 said that they recycled. At $$\alpha=0.01$$ , is there sufficient evidence to conclude that the proportion of college students who recycle is greater than 70%?

there's insufficient evidence to conclude thatthe proportion of college students who recycleis greater than 70%

can't conclude due to sampling error

there's sufficient evidence to conclude that theproportion of college students who recycle isgreater than 70%

A seaside resort claims that 75% of the days during its peak season are clear. A consumer group feelsthis claim is too high so they examine a random sample of 150 days over the last two peak seasons,finding 105 clear days. At the 0.05 significance level, what conclusion can be made?

Fail to reject $$H_o$$ since the p-value is greater than α

Reject $$H_o$$ since the p-value is less than α

Reject $$H_o$$ since the p-value is greater than α

Fail to reject $$H_o$$ since the p-value is lessthan α

Math IV Final Exam

Authored by Joel Allen Basilia

Mathematics

9th - 12th Grade

CCSS covered

Used 2+ times

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-9

-2

-3

Tags

CCSS.HSF-BF.A.1B

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.HSF-BF.A.1C

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which graph is NOT a function?

Graph 1

Graph 2

Graph 3

Graph 4

MULTIPLE SELECT QUESTION

45 sec • 1 pt

stretched vertically by a factor of 3

reflection over the x-axis

reflection over the y-axis

up 3

right 3

Tags

CCSS.HSF.BF.B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.HSF-BF.B.4A

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

57.78

47.78

37.78

27.78

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

0.088 or 8.8%

0.089 or 8.9%

0.078 or 7.8%

0.098 or9.8%

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Math IV Final Exam

Which graph is NOT a function?

If you deposit $5000 into an account paying 6% annual interest compounded monthly, how long until there is $8000 in the account? Round your answer to the nearest tenths.

A virus takes 9 days to grow from 170 to 260 specimens. How many days will it take to grow from 170 to590 specimens? Round to the nearest whole number.

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