The Diameter of Small Nerf Balls Manufactured Overseas Is Expected

question 100

Multiple Choice

The diameter of small Nerf balls manufactured overseas 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]

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