Posted by Pilar on .
pilar has 4 marbles in a bag .they are green,red,blue,and yellow.she chooses a marble without looking,replaces it,and then chooses another marble.if she wants to get a green marble exactly 1 time out out of the 2 draws,how many favorable outcomes are possible?
5 th grade math -
A bag containing 9 marbles .3 marbles are red ,2 are green , and the other are blue . What is the probability that a blue or green mobile will be chosen . (Answer in %)