suppose that bowling balls produced by a certain manufacturer, are supposed to waste 6 pounds, on average. Assume that the weights are normally distributed with a standard deviation of 0.07 pounds. (a) how light should a bowling ball be if it is in the bottom 1% of all balls? (b) how heavy should a bowling ball be if it is in the top 7% of all balls? (c) Suppose that bowling balls are lighter than 5.85 pounds or heavier than 6.15 pounds are discarded by the manufacturer. What percent of bowling balls are discarded