Question number 13

Baby weights: The weight of male babies less than 2 months old in the United States is normally distributed with mean 11.2 pounds and standard deviation 2.7 pounds. (a) What proportion of babies weigh more than 16 pounds? (b) What porportion of babies weigh less than 15 pounds? (c) What proportion of babies weigh between 10 and 13 pounds? (d) Is it unusual for a baby to weigh more than 17 pounds? Round answers to four decimal places. Part 1 of 4 The proportion of babies weighing more than 16 pounds is X Part 2 of 4 The proportion of babies weighing less than 15 pounds is X Part 3 of 4