Jonathan has a goal to jog at least 150 miles this summer. Jonathan jogs an average of 3.3 miles per day. Jonathan must jog each day for the rest of the summer to achieve his goal and there are 40 days left in the summer.

Part A: Write an inequality to represent the number of miles Jonathan has already jogged this summer, m.
Part B: Determine the average number of miles Jonathan must have already jogged in order to reach exactly 150 miles.

Sales personnel for skillings distributors submit weekly reports listing the customer contacts made during the week. a sample of 55 weekly reports showed a sample mean of 17.5 customer contacts per week. the sample standard deviation was 5.8. provide 90% and 95% confidence intervals for the population mean number of weekly customer contacts for the sales personnel. a. 90% confidence interval, to 2 decimals b. 95% confidence interval, to 2 decimals