Suppose you choose a marble from a bag containing 3 red marbles, 3 white marbles, and 5 blue marbles

label Mathematics
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Suppose you choose a marble from a bag containing 3 red marbles, 3 white marbles, and 5 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue).

 A.15/11

 B.6/11

 C.8/11 

D.15/121

Apr 28th, 2015

For the first selection, you have a 3/11 chance of getting red.

For the second selection, you have a 5/11 chanc of getting blue.

Multiply:  3/11 x 5/11 = 15/121 (choice D)

Apr 28th, 2015

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Apr 28th, 2015
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