[Solved] Probability that both apples are red and at least one maggot

A box contains 25 apples, of which 20 are red and 5 are green. Of the red apples, 3 contain maggots and of the green apples, 1 contains maggots. Two apples are chosen at random from the box. Find the probability that both apples are red and at least one contains maggot.

but answer is 9/50

Re: Probability that both apples are red and at least one maggot

Re: Probability that both apples are red and at least one maggot

Quote:

Originally Posted by

**FernandoRevilla** Denote

(both red) and

(at least one contains maggots). We have to find

.

Then,

Thanks! But i dont see anything wrong with my workings too

Also, could u explain P(M|R) workings?

Re: Probability that both apples are red and at least one maggot

I figured it out! I included those with maggots when trying to find only red without maggot...