The average repair cost of a microwave oven is $55, with a standard deviation of $8. The cost are normally distributed. If 12 ovens are repaired, find the probability that the mean of the repair bills will be greater than $60.

Ms. aniston asked seven students in her class to collect pet food cans for a local animal shelter. the dot plot shows the number of food cans collected by each student. each dot represents one student. what is the median of the data set? a. 6 b. 9 c. 7 d. 8