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For the sample statistics which level of confidence would produce the widest confidence interval? a. 99% because as the level of confidence increases, zc increases.
For the sample statistics which level of confidence would produce the widest confidence interval? a. 99% because as the level of confidence increases, zc increases. b. 99%, because the level of confidence increases, zc decreases. c. 90%, because as the level of confidence decreses, zc increases. 90%, because as the level of confidence decreases, zc decreases
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