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A Random Sample of 64 Items Is Selected from a Population

Question 32

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A random sample of 64 items is selected from a population of 400 items.The sample mean is 200.The population standard deviation is 48.From these data, the 95% confidence interval to estimate the population mean would be _______.


A) 189.21 to 210.79
B) 188.24 to 211.76
C) 190.13 to 209.87
D) 190.94 to 209.06
E) 193.45 to 211.09

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