# Question: A random sample of 200 observations produced a sample proportion

A random sample of 200 observations produced a sample proportion equal to .60. Find the critical and observed values of z for each of the following tests of hypotheses using α = .01.

a. H0: p = .63 versus H1: p < .63

b. H0: p = .63 versus H1: p ≠ .63

a. H0: p = .63 versus H1: p < .63

b. H0: p = .63 versus H1: p ≠ .63

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