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 x 3/6


B. 4/7 x 4/6


C. 4/7 x 3/7


D. 4/7 x 4/7

Answer 1

The probability of drawing a green ball on the first draw is 4/7. If a green ball was drawn on the first draw, then the probability of drawing green on the second draw is 3/6. The required probability is the product of these two values of probability.

Answer 2

I thanketh in thee

Answer 3

You're welcome :)