Multiple Choice
The diameter of small Nerf balls manufactured at a factory in China is expected to be approximately normally distributed with a mean of 5.2 inches and a standard deviation of .08 inches.Suppose a random sample of 20 balls is selected.Calculate the mean of the sampling distribution of the sample mean.
A) 5.2
B) 0.8
C) 0.08
D) 0.018
Correct Answer:
Verified
Correct Answer:
Verified
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