My residence received this survey in the mail and has since received reminders and threats of penalty if the residence does not mail the completed form back as soon as possible after receiving it. I find the questions to be intrusive and I don't want to answer them and I don't want to...

X has normal distribution with mean of 107 and a standard deviation of 1.5 .if a sample of 25 students is selected at random, find the probability that sample mean is greater than 110?

1. A random sample of size 49 is taken from a large population, measuring the time it takes to complete a driver’s license examination. The sample mean was found to be 47 minutes, and the sample standard deviation 5.89 minutes. Construct a 95% confidence interval around the sample mean. Be sure...