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9 April, 22:05

A bag contains 7 green marbles 9 red marbles 10 Orange marbles and 10 blue marbles you choose a marble and replace it and choose again what is p (red then blue)

a. 77/164

b. 19/41

c. 90/1681

d. 45/41

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Answers (1)
  1. 9 April, 23:53
    0
    For red is it is 9/41 and or blue it is 10/41 so together 19/41 so the answer is b: 19/41
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