[pocketjacks]

There are 20 students in your gym class. Your teacher divides the class into two equal softball teams. Your team draws names one by one to determine the batting order. What is the probability that 1 of the 7 freshman on the team will be chosen first, in any order?


Related to the top question.

find the probability that 3 of the 7 freshmen will be chosen last, in any order.

Any help and explanation would be very much appreciated.

Thanks in advance!