Question 2(4 points)

A study was conducted in order to determine if any link existed between cellular phone usage and the development of brain cancer (don't worry, no connection was found).Data from this study indicated that the monthly phone usage for all users is approximately normally distributed with a mean of 3.0 hours and a standard deviation of 1.0 hour.Using the Empirical Rule, what proportion of cell phone users are on their phones between 1.0 and 5.0 hours per month?

Question 2 options:

68%

95%

99.7%

None of these answers is correct.