A bag contains 2 blue and 3 green marbles. Two marbles are drawn at random with replacement. Which of the following gives the probability of drawing two blue marbles?
A. 4/25
B. 9/25
C. 5/25
D. (9/25)(4/25)

Question

A bag contains 2 blue and 3 green marbles. Two marbles are drawn at random with replacement. Which of the following gives the probability of drawing two blue marbles? 
	A.	4/25
	B.	9/25
	C.	5/25
	D.	(9/25)(4/25)

anonymous · Answer

P(drawing two blue marbles) = P(first draw is blue marble) P(second draw is blue marble)
P(drawing two blue marlbes) = (2/5) (2/5)