Reference no: EM132153606
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