Use the Following Information for Following Questions

Multiple Choice

Use the following information for following questions .
The distribution of the number of hours of sleep people get per night is unimodal
and symmetric with a mean of 6 hours and a standard deviation of 1.5 hours.
-If James had a z-score of 1.2, explain what this value means in terms of the number of hours of sleep he gets.

A) James sleeps 1.2 hours less than the average person.
B) James sleeps 1.2 hours more than the average person.
C) The number of hours James sleeps is 1.2 standard deviations below the mean.
D) The number of hours James sleeps is 1.2 standard deviations above the mean.