Question: 8.111 What affects n? Using the sample size formula n = [pn 11 - pn 2z2]>m2 for a proportion, explain the effect on n of

8.111 What affects n? Using the sample size formula n = [pn 11 - pn 2z2]>m2 for a proportion, explain the effect on n of

(a) increasing the confidence level and

(b) decreasing the margin of error.

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