There are 11 tokens in a bag. 6 of them are green 5 of them are red some more red tokens are put into the bag. a token is taken out from the bag at random. the probability that the counter is red is 3/5 How many red tokens where put in the bag ?
1 Answer
Apr 23, 2018
4
Explanation:
If you have 5 red, P(RED)=
By adding some red you now change it P(RED)=