Use the following information for the question. Male players at the high school, college and professional ranks use a regulation basketball that weighs 22.0 ounces with a standard deviation of 1.0 ounce. Assume that the weights of basketballs are approximately normally distributed.
-Would it be unusual to randomly select a regulation basketball and find that it weighs 17.9 ounces?
A)Yes, this would be unusual.
B)No, this would not be unusual.

Question

Quizplus · Accepted Answer

A weight of 17.9 ounces is 4.1 standard deviations below the mean (22.0 - 17.9 = 4.1), which is considered unusual in a normal distribution.

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