Chapter 11.5, Problem 2TY

a.

To determine

To identify: The claim and state $H_0$ and $H_a$.

b.

To determine

To identify: The level of significance $\alpha$.

c.

To determine

To identify: The sample sizes $n_1$, $n_2$ and G.

d.

To determine

To find: The critical value.

e.

To determine

To find: The test statistic z.

f.

To determine

To decide: Whether to reject the null hypothesis or not.

h.

To determine

To interpret: The decision in the context of the original claim.