Question: Select a random sample of at least 30 individuals, and using the z test for proportions, test one or more of the following hypotheses. Use a = 0.05.

a) For educational level, H0: p = 0.50 for level 2.

b) For smoking status, H0: p = 0.20 for level 1.

c) For exercise level, H0: p = 0.10 for level 1.

d) For gender, H0: p = 0.50 for males.