The completion times for a job task range from 10.1 minutes to 19.2 minutes and are thought to be uniformly distributed.What is the probability that it will require between 12.7 and 16.8 minutes to perform the task?Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g., enter 12 percent as 0.12).

2

Suppose the variable x is represented by a standard normal distribution.What is the probability of x < -0.9?Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g., enter 12 percent as 0.12).

3

Suppose the variable x is represented by a standard normal distribution.What value of x is at the 90th percentile of the distribution? Equivalently, what is the value for which there is a probability of 0.90 that x will be less than that value?Please round your answer to the nearest hundredth.

4

Major league baseball game durations are normally distributed with a mean of 200 minutes and a standard deviation of 40 minutes.What is the probability of a game duration of more than 225 minutes?Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g., enter 12 percent as 0.12).

5

Suppose the daily customer volume at a call center has a normal distribution with mean 5,500 and standard deviation 1,000.What is the probability that the call center will get between 4,800 and 5,000 calls in a day?Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g., enter 12 percent as 0.12).