Suppose you want to compare proportions of adults who have donated blood within the past year among California, Iowa, Massachusetts, and Michigan residents. You take a random sample of 200 adults from each state.

a. Which of the following sets of sample proportions (A, B, or C) would produce the smallest p-value? Explain.
b. Which of the following sets of sample proportions (A, B, or C) would produce the largest p-value? Explain.

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Massachusetts Michigan proportion California proportion proportion 0.25 lowa proportion 0.28 A 0.30 0.22 0.37 0.40 0.15 0.18 0.35 0.23 0.20 0.30