A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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A bag contains 10 beads. Six are black and 4 are white. ( i ) Three beads are selected from this bag at random, without replacement. What is the probability that precisely two of the beads are white? ( ii ) Three beads are selected from this bag, one at a time. After each bead is selected, its color is noted and it is replaced in the bag. What is the probability that precisely two of the beads are white?
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