Three-month-old Benjamin Chance weighed 15.4 pounds. The national average for the weight of a 3-month-old baby is 12.5 pounds, with a standard deviation of 1.5 pounds. Round your answers to two decimal places.

a. Determine the z-score for Benjamin's weight at age 3 months, and write a sentence interpreting the score.

z-scoreequalsEntry field with correct answer
1.93

Benjamin was Entry field with correct answer
1.93
standard deviations Entry field with correct answer
above
the average weight.

b. For a 6-month-old, the national average weight is 17.25 pounds, with a standard deviation of 2.0 pounds. Determine what Benjamin's weight would have been at the age of 6 months, in order for him to have the same z-score at 6 months that he had at 3 months.