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In a class of 7, there are 3 students who have done their homework. If the teacher chooses 3 students, what is the probability that none of the three of them have done their homework? Choose 1 answer:
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In a class of 7, there are 3 students who have done their homework.

If the teacher chooses 3 students, what is the probability that none of the three of them have done their
homework?
Choose 1 answer:
2/37
6/41
ОООО
5/29
4/35

User Juliusz
by
3.6k points

1 Answer

3 votes

Answer:

4/35

Explanation:

Probability of 1 student having no hw is 4/7, then 3/6, then 2/5

4/7 x 3/6 x 2/5 reduces to 4/35

User Anton Todorov
by
3.0k points
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