Suppose that due to the cost of a survey you must reduce

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Suppose that due to the cost of a survey, you must reduce your random sample from 100 to 64. Which of the following statements is true?

A) the margin of error for our 99% confidence interval would increase.

B) the margin of error for our 99% confidence interval would decrease.

C) the margin of error for our 99% confidence interval would stay the same since the level of confidence has not changed.

D) sigma would decrease

Reference no: EM13634435

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