SOLUTION: A bag contains 3 red balls and 33 blue balls. 2 balls are selected at random. Find the probability of selecting 2 red balls.

Algebra ->  Probability-and-statistics -> SOLUTION: A bag contains 3 red balls and 33 blue balls. 2 balls are selected at random. Find the probability of selecting 2 red balls.      Log On


   

Question 1052838: A bag contains 3 red balls and 33 blue balls. 2 balls are selected at random. Find the probability of selecting 2 red balls.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


It depends. Did you select a ball, check its color, replace it, and then select the second ball? Or did you select two balls without replacement?

If you replaced the first ball, then, if A is the event that two red balls are selected,

If you selected two without replacement then

John

My calculator said it, I believe it, that settles it