# Probability of randomly selecting ping-pong ball

The diameter of ping-pong balls manufactures at a large factory is expected to be approximately normally distributed with a mean of 1.30 inches and a standard deviation of 0.04 inch. What is the probability that a randomly selected Ping-pong ball will have a diameter between 1.31 and 1.33 inches?

a. 0.0987

b. 0.1747

c. 0.2734

d. 0.3721

https://brainmass.com/statistics/probability/probability-question-217168

#### Solution Summary

The probability of randomly selecting ping-pong balls is discussed.

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