The following MINITAB output presents the results of a hypothesis test for the difference p₁?? p₂between two population proportions.

a. Is this a one-tailed or two-tailed test?

b. What is the null hypothesis?

c. Can H₀ be rejected at the 5% level? How can you tell?

Transcribed Image Text:

Test and CI for Two Proportions Sample 1 X 41 37 97 61 Sample p 0.422680 0.606557 Difference =p (1) - p (2) Estimate for difference: -0.183877 95% CI for difference: (-0.341016, –0.026738) Test for difference = 0 (vs not = 0): Z = -2.25 P-Value = 0.024