The work crew for the talent show at the local high school includes these members: 2 freshmen,4sophomores,8juniors,6 seniors.If the sponsor randomly chooses 1 member of the work crew to announce the act & 1 member to control the lighting, what is the probability that he will choose the 2 freshmen? total 2/20 1/10???? not sure of answer

Answer 1

there are 20 students. So, the chance of getting the two freshmen is

2/20 * 1/19 = 1/190

This just selection without replacement.

Answer 2

Find the Area to the nearest 100th with pi being 3.14 d=7m