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24 June, 21:16

5. Suppose you choose a marble from a bag containing 3 red

marbles, and 5 blue marbles. You return the first marble to

choose again. Find P (red then blue).

A

6

15

121

C

8

+2
Answers (1)
  1. 24 June, 21:36
    0
    15/64

    Step-by-step explanation:

    Given

    Red, R : 3 marbles

    Blue, B : 5 marbles

    Total : 5+3=8 marbles

    If first marble is returned

    P (Red) = 3/8

    P (Blue) = 5/8

    P (Red then Blue) = 3/8 x 5/8 = 15/64
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