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 23.75 ounces?
A)No, this would not be unusual.
B)Yes, this would be unusual.

Question

Quizplus · Accepted Answer

The z-score for a basketball that weighs 23.75 ounces is (23.75 - 22.0) / 1.0 = 1.75. The area under the normal curve to the right of z = 1.75 is 0.0401, which means that it would be unusual to randomly select a regulation basketball and find that it weighs 23.75 ounces.

Use the Following Information for the Question