Consider the null hypothesis H0 p 25 Suppose a random sample of 400 observations is taken to perform this test about the population proportion Using 01, show the rejection and non rejection regions and find the critical value(s) of z for a a Left tailed test b Two tailed test c Right tailed test ...

a Rejection region 233 b Reject ...

Consider the null hypothesis H0: p = .25. Suppose a random sample of 400 observations is taken

Question:

Consider the null hypothesis H0: p = .25. Suppose a random sample of 400 observations is taken to perform this test about the population proportion. Using α = .01, show the rejection and non rejection regions and find the critical value(s) of z for a
a. Left-tailed test
b. Two-tailed test
c. Right-tailed test