Unit 10 Population Proportions Test

Unit 10 Population Proportions Test

Assessment

Flashcard

Other

12th Grade

Practice Problem

Hard

Created by

Wayground Content

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29 questions

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1.

FLASHCARD QUESTION

Front

When performing a test about the population proportion, what distribution would you need to use? Options: z, t, chi-square

Back

z

2.

FLASHCARD QUESTION

Front

Identify the correct null hypothesis: Is the proportion of babies born male different from 50%? In a sample of 200 babies, 96 were male. Test the claim using a level of significance of 1%.

Back

H0: p = 0.50

3.

FLASHCARD QUESTION

Front

Suppose the P-value for a hypothesis test is 0.0304. Using a = 0.05, what is the appropriate conclusion?

Back

Reject the null hypothesis

4.

FLASHCARD QUESTION

Front

When p-value is greater than alpha we:

Back

Fail to reject Ho

5.

FLASHCARD QUESTION

Front

What are the correct null and alternative hypotheses regarding the mayor's disapproval rating? Options: Ho: p > .20, Ha: p < .20, Ho: p < .25, Ha: p > .25, Ho: p = .25, Ha: p < .25

Back

Ho: p = .25
Ha: p < .25

6.

FLASHCARD QUESTION

Front

Which z-value is used for a 95% confidence interval?

Back

1.96

7.

FLASHCARD QUESTION

Front

Which z-value is used for a 99% confidence interval?

Back

2.58

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