There are 9 students ain class 2 boys 7 girls and a teacher picks 4 at random what is the probability in the group that everyone

Question

Romashka [77]

3 years ago

7

There are 9 students ain class 2 boys 7 girls and a teacher picks 4 at random what is the probability in the group that everyone

is a girl

Mathematics

1 answer:

marissa [1.9K] · Answer 1 · 2022-07-29T08:41:03+03:00

marissa [1.9K]3 years ago

3 0

Answer:

2/3.

Step-by-step explanation:

Ok, so at first, the probability of the teacher picking a girl is 7/9. And then when she takes one girl, it is less, so the probability is 6/8. Then if she picks 2 more girls, then the probability of that would be 4/6, or 2/3.