Question 14In a survey of first graders, their mean height was 49.5 inches with a standard deviation of

3.6 inches. Assuming the heights are normally distributed, what height represents the first quartile of these students?

A)45.00 inches

B)51.93 inches

C)47.07 inches

D)48.35 inches

Question 15

Hospital waiting room times are normally distributed with a mean of 38.12 minutes and a standard deviation of 8.63 minutes. What is the shortest wait time that would still be in the worst 5% of wait times?

A)46.75 minutes

B)52.32 minutes

C)23.92 minutes

D)29.49 minutes

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