The data for this chapter’s problems is contained in the file Ch59data.xlsx.
In the Problem 1 worksheet, you are given data about the duration of a machine’s lifetime.
What is the probability that the machine will last at least 10 hours?
What is the probability that the machine will last from 1 through 5 hours?
What is the probability that the machine will fail within 6 hours?
You need to clean your house today. In the Problem 2 worksheet, you are given data about how long it has taken to clean your house in the past. If you start cleaning at noon, what are the chances that you’ll be finished in time to leave at 7:00 P.M. for a movie?