gloryboydarrel gloryboydarrel

14-04-2017
Mathematics

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A bag contains 5 green marbles, 8 red marbles, 11 orange marbles, 7 brown marbles, and 12 blue marbles. You choose a marble, replace it, and choose again. WHat is P(red, then blue)?

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texaschic101 texaschic101

14-04-2017

5 + 8 + 11 + 7 + 12 = 43 total marbles

P(first is red) = 8/43
replace
P(second is blue) = 12/43

P(red,then blue) = 8/43 * 12/43 = 96/1849 <===

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