Question

A class has 20 students. If the teacher is randomly selecting a group of 3 students to represent the class on the student council, what is the probability that Sarah and her two best friends will all be chosen? 1/20 3/20 1/1,140 pllllls answer

Answer 1

C: 1,140

Explanation:

Answer 2

3/20

Explanation:

The prbability space is 20 in this case

P(S)=20

The probability of selecting a student is 1/20

For selecting 3 students, the probability will be;

1/20 +1/20 +1/20 = 3/20