Question: 10.44 For each combination of sample size and sample proportion, find the margin of error for the 95% confidence level. Use the formula given on

10.44 For each combination of sample size and sample proportion, find the margin of error for the 95% confidence level.

Use the formula given on page 389.

a. n 5 400, p^ 5 .20.

b. n 5 400, p^ 5 .80.

c. n 5 1000, p^ 5 .50.

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