The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is 3583 miles, with a variance of 162,409. If he is correct, what is the probability that the mean of a sample of 41 cars would be less than 3488 miles?

Out of the 180 students at a summer camp, 72 signed up for canoeing. there were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing. use a two-way table to organize the information and answer the following question: approximately what percentage of students signed up for neither canoeing nor trekking? 72% 40% 54% 98%