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Select the answer. A random sample of size 14 has mean 78 and standard deviation 156. Find the sample size needed for the 95% condence

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Select the answer. A random sample of size 14 has mean 78 and standard deviation 156. Find the sample size needed for the 95% condence interval for the true mean to have length of at most 100. (Use the information from the original sample.) 027 (9)26 046 031 030 045 0 none of the answers provided here

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