A bag contains 3 yellow tennis balls and 4 green tennis balls. Gordy will select one tennis ball, put it in his pocket, and then select a second tennis ball.

Which expression gives the probability that he will select two green tennis balls?

A. 4/7 . 3/6
B. 4/7 . 4/6
C. 4/7 . 3/7
D.4/7 . 4/7

Question

A bag contains 3 yellow tennis balls and 4 green tennis balls. Gordy will select one tennis ball, put it in his pocket, and then select a second tennis ball. 


Which expression gives the probability that he will select two green tennis balls?
 
 A. 4/7 . 3/6
 B. 4/7 . 4/6
 C. 4/7 . 3/7
 D.4/7 . 4/7

dumbcow · Answer

prob = #green/ total

after the 1st ball is drawn, how many green are left? how many total are left?

anonymous · Answer

i think the option D.4/7.4/7