A Study Reported by the Michigan State Campus Newspaper Stated

Multiple Choice

A study reported by the Michigan State campus newspaper stated that the average time MSU students spent studying last month was is 58.3 hours, with a standard deviation of 14 hours.Assume the study time distribution is normal.According to study results, about 20% of MSU students spent less than how many hours last month studying.

A) 44.6
B) 45.1
C) 43.2
D) 46.5
E) 40.0