Question

Audrey has a bag of similar sized refund green grapes. There are 12 red grapes and 13 green grapes in the bag. If the first 7 grapes she ate were green what is the probility that the 8th grapes she eats is green and the 9th grape she eats is red

Answer 1

Since she has already eaten 7 green grapes that leaves only 6, so the probability of getting an 8th green grape is 6/18 or 1/3 and the probability of getting a red grape is 12/18 or 2/3