Question

The time it takes people to fill out a medical form is normally distributed with a mean of 8 minutes and a standard deviation of 2 minutes.

Approximately what percent of people take between 2 and 14 minutes to fill out the medical form?


50%

68%

95%

99.7%

Answer 1

99.7%

Explanation:

a mean of 8 minutes and a standard deviation of 2 minutes is equal to 5, 7, 9, 11 = 32/ 4 = 8 mean = 99.7%