Consider the results of the study discussed on page 417. At = 0.05, can you support

Question:

Consider the results of the study discussed on page 417. At α = 0.05, can you support the claim that there is a difference between the proportion of yoga users who are 40- to 49-year-olds and the proportion of non-yoga users who are 40- to 49-year-olds?

a. Find p̅ and q̅.

b. Verify that n₁ p̅, n₁q̅, n₂p̅, and n₂q̅ are at least 5.

c. Identify the claim and state H₀ and H_a.

d. Identify the level of significance α.

e. Find the critical values and identify the rejection regions.

f. Find the standardized test statistic z. Sketch a graph.

g. Decide whether to reject the null hypothesis.

h. Interpret the decision in the context of the original claim.