微信扫一扫
实时资讯全掌握
|
The owner of a bowling alley determined that the average weight for a bowling ball is 12 pounds with a standard deviation of 1.5 pounds. A ball denoted “heavy” should be one of the top 2% based on weight. Assuming the weights of bowling balls are normally distributed, at what weight (in pounds) should the “heavy” designation be used? A. 14.22 pounds. B. 15.08 pounds. C. 14.00 pounds. |