Columbia manufactures bowling balls with a mean weight of 14.6 pounds and a standard deviation of 3 pounds. a bowling ball is too heavy to use and is discarded if it weighs over 16 pounds. assume that the weights of bowling balls manufactured by columbia are normally distributed. the latest 6% of the bowling balls made or discarded due to the possibility of defects. a bowling ball is the square for being too light if it weighs under what specific weight?