Suppose a random sample of size 64 is selected from a population yielding a sample mean of 26.The population standard deviation is 4.From this information, the 90% confidence interval to estimate the population mean can be computed to be ___.
A) 25.36 to 26.64
B) 25.92 to 26.08
C) 25.18 to 26.82
D) 25.90 to 26.10
E) 26.00 to 27.80
Correct Answer:
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