Question: Assuming a random sample from a large population, for which of the following null hypotheses and sample sizes n is the large-sample z test appropriate:

Assuming a random sample from a large population, for which of the following null hypotheses and sample sizes n is the large-sample z test appropriate:
a. H0: p = .2, n = 25
b. H0: p = .6, n = 210
c. H0: p = .9, n = 100
d. H0: p = .05, n = 75

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