Use the Following Information for Following Questions

Multiple Choice

Use the following information for following questions .
The distribution of the number of hours people spend at work per day is unimodal
and symmetric with a mean of 8 hours and a standard deviation of 0.5 hours.
-If Anthony's z-score for his work hours was −1.3, how many hours did he work?

A) 7.20 hours
B) 7.35 hours
C) 7.50 hours
D) 8.65 hours