Question: 7.72 Determine the sample size needed for each of the following situations. a. N = 1,000; s = 450; 1.96sx = 50 b. N =

7.72 Determine the sample size needed for each of the following situations.

a. N = 1,000; s = 450; 1.96sx = 50

b. N = 3,000; s = 450; 1.96sx = 50

c. N = 1,000,000; s = 450; 1.96sx = 50

d. Compare and comment on your answers to parts a through c.

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