Multiple Choice
Use the given information to find the minimum sample size required to estimate an unknown population mean µ.
-How many weeks of data must be randomly sampled to estimate the mean weekly sales of a new line of athletic footwear? We want 99% confidence that the sample mean is within $200 of the population mean, and the population standard deviation is known to be $1400.
A) 325
B) 189
C) 133
D) 267
Correct Answer:
Verified
Correct Answer:
Verified
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