Asked by in need of help
A bag contains 10 red marbles and 20 white marbles. You draw a marble, keep it, and draw another. What is the probability of drawing two red marbles?
Answers
Answered by
tutor
3/29
Answered by
Reiny
first red --> 10/30
second red --> 9/29
prob of 2 red = (10/30)(9/29) = 3/29
second red --> 9/29
prob of 2 red = (10/30)(9/29) = 3/29
Answered by
shuria tabassum
10/30*9/29
3/29
3/29
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