Question

The number of months a group of middle-aged men have been on a certain heart medication is normal

distributed with a mean of 8 months and a standard deviation of 2 months. Approximately what percentage
of the men have been taking the medication for between 6 to 8 months?

50%
16%
34%
68%

Answer 1

34 %

Explanation:

One standard deviation below ( 2 months) to the mean

covers approx 34.1 %