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.What percentage of sample means will be less than 5.14 inches?
A) 0.048%
B) 22.66%
C) 4.8%
D) .00048%
Correct Answer:
Verified
Correct Answer:
Verified
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