The waiting time for a customer service call follows a norma…

The waiting time for a customer service call follows a normal distribution with a mean of 10 minutes and a standard deviation of 2 minutes. The call center manager wants to figure out what a likely range of outcomes is for their waiting times. What is the lower bound to an interval in which the waiting time will fall 95% of the time? Provide your answer rounded to one decimal place.

The number of daily visitors to a boba tea shop follows a no…

The number of daily visitors to a boba tea shop follows a normal distribution with a mean of 5000 and a standard deviation of 800. The shop owner wants to figure out what a likely range of outcomes is for their daily visitors. What is the upper bound to an interval in which the number of daily visitors will fall 85% of the time? Provide your answer rounded to the nearest visitor.