Suppose You Wish to Estimate a Population Mean Based

question 35

Multiple Choice

Suppose you wish to estimate a population mean based on a sample of n observations. What sample size is required if you want your estimate to be within 2 of with probability equal to 0.95 if you know the population standard deviation is 12?

• A) 239
• B) 196
• C) 139
• D) 127
• E) 98

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