Consider the following letter to Dear Abby from The Tennessean on January 20 1973 Dear Abby You wrote in your column that a woman is pregnant for 266 days Who said so I carried my baby for ten months and 5 days and there is no doubt about it because I know the exact date my baby was conceived Please print a retraction about this 266 day carrying time because otherwise my friends won t believe me San Diego Reader Dear San Diego Reader The average gestation period is 266 days Some babies come early others come late Yours was late Task The length of human pregnancies is normally distributed with a mean of 266 days and a standar deviation of 16 days Was San Diego Reader s length of pregnancy unusual Explain your answer usin lodge of normal distributions