Posted by InDireNeedOfHelp on .
A bag contains 5 green marbles , 8 red marbles, 11 orange marbles, 7 brown marbles, and 12 blue marbles. You choose a marbles, replace it, and choose again. what is p(red then blue)
20/43
40/43
20/1849
96/1849

Probability! 
Reiny,
since you are replacing the marble, the second draw is not affected by anything you did before.
so Prob(red, then blue) = (8/43)(12/43)
= 96/1849 
Probability! 
Anonymous,
Took the test, above answer is a blatent lie. Not the answer.

Probability! 
basketball&batman,
no reiny's answer was right anonymous. get ur facts straight