A recent study showed that employees experience an average of 1.5 hours per day of distractions (phone calls, e-mails, text-messaging). A study on a random sample of 64 employees found that these employees were distracted an average of 1.1 hours per day and the population standard deviation was 15 minutes (not hours).
Construct a 95% CIE of μ and compare your answers to the result of the study.