The Average Time Taken for Your Internet Service Provider to Remotely

Multiple Choice

The average time taken for your Internet service provider to remotely resolve a trouble ticket has a Normal distribution, with a mean of 4.3 hours and a standard deviation of 3.1 hours. What percent of the time can you expect to wait longer than a full (8-hour) business day for a resolution?

A) 11.7%
B) 15.7%
C) 88.3%
D) 100%