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.Find the interval that contains 95.44 percent of the sample means.
A) [5.04,5.36]
B) [5.18,5.22]
C) [5.16,5.24]
D) [5.07,5.33]
Correct Answer:
Verified
Correct Answer:
Verified
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