Mathematics

22 June, 13:04

The heights of all the newborns in a certain country are normally distributed, with a mean of 19 inches and a standard deviation of 0.5 inches. A mother just delivered a baby that is 18 inches long. Which of the following represents the z-score of the baby's height? (Round your answer to two decimal places.)

A.-2.00

B.-1.50

C. 2.00

D. 1.50

+4

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