Question

a bag contains 7 red chips and 11 blue chips. two chips are selected randomly without replacement from the bag. what is the probability that the two chips are NOT the same coler

Answer 1

77/306 or around 25.2%

Explanation:

`(7)/(18) *(11)/(17)` section 1/total * section 2/(total-1) since there is no replacement

just solve and you get 77/306