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A bag contains 8 red marbles, 8 white marbles, and 10 blue marbles. You draw 3 marbles out at random, without replacement.
First, what is the probability that all the marbles drawn are red? (Your answer will probably be pretty small. To ensure that it is scored
correctly, include at least four significant figures in your answer.)
The probability that all the marbles drawn are red is
Next, what is the probability that exactly two of the marbles drawn are red?
The probability that exactly two of the marbles drawn are red is
Finally, what is the probability that none of the marbles drawn are red?
The probability of drawing no red marbles is
Instructions
Sagot :
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