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QUESTION 10 Amy guesses the percentage of her Instagram followers who have been to out of...

QUESTION 10

  1. Amy guesses the percentage of her Instagram followers who have been to out of the United States is 20%. She takes a sample of 320 followers and find that 55 of them have been out of the United States. Use this information to calculate the test statistic for Amy's hypothesis test, to test whether her guess was reasonable or not.

A.

-1.80

B.

-1.25

C.

-0.74

D.

-0.17

QUESTION 11

  1. A person would like to use a hypothesis test to answer a research question. Assuming 95% confidence in their work (the most commonly used level), they will need a test statistic larger than what approximate value to reject the null hypothesis?

A.

About 1

B.

About 2

C.

About 3

D.

About 4

QUESTION 12

  1. A person would like to use a hypothesis test to answer a research question. Assuming 95% confidence in their work (the most commonly used level), they will need a p-value smaller than what to reject their null hypothesis?

A.

.10

B.

.05

C.

.01

D.

.0001

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Answer #1

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