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Sample of 400 provided a sample proportion

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Reference no: EM132155830

Consider the following hypothesis test:

H0: p = .20

Ha: p ≠ .20

A sample of 400 provided a sample proportion p = .175.

a. Compute the value of the test statistic (to 2 decimals).

b. What is the p-value (to 4 decimals)?

c. Using α = .05, can you conclude that the population proportion is not equal to .20? - Select your answer -YesNo

Item 3

Answer the next three questions using the critical value approach.

d. Using α = .05, what is the critical value for the test statistic? (to 2 decimals) (+ or -)

e. State the rejection rule: Reject H0 if z is - Select your answer -greater than or equal togreater thanless than or equal toless thanequal tonot equal to

Item 5 the lower critical value or - Select your answer -greater than or equal togreater thanless than or equal toless thanequal tonot equal to Item 6 the upper critical value.

f. Using α = .05, can you conclude that the population proportion is not equal to .20?

- Select your answer -YesNo

Item 7

Reference no: EM132155830

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