Testing Claims Using Rejection Regions In Exercises 37– 42, (a) identify the claim and state H0 and Ha, (b) find the critical value(s) and identify the rejection region(s), (c) find the standardized...

Testing Claims Using Rejection Regions In Exercises 37– 42,

(a) identify the claim and state H0 and Ha,

(b) find the critical value(s) and identify the rejection region(s),

(c) find the standardized test statistic z,

(d) decide whether to reject or fail to reject the null hypothesis, and

(e) interpret the decision in the context of the original claim. If convenient, use technology.