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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

Respuesta :

lucic

Answer:

3/20

Step-by-step 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

Answer:

C: 1,140

Step-by-step explanation:

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