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7. A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, in choose again. What is P(red, then blue)?
A. 77/164
B. 19/41
C. 90/1681
D. 45/41
I absolutely know is is C. 90/1681 but I need someone to help me work through it because I need to show how I got to the answer. Thank You!
7 years ago

Answers

Steve
you're kidding, right? Why not show your work, so we can see whether you did it right...
41*41 = 1681 ...
7 years ago

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