Section 15.1

Exercise Set A: 1, 2, 3, 4, 5, 6

Also: Suppose a box contains 10 red marbles and 15 blue marbles. If 10 marbles are selected from the box, with replacement, find the probability of each of the following:

1. exactly 3 of the marbles are red
2. exactly 6 of the marbles are blue
3. 3 or fewer of the marbles are red
4. 6 or more of the marbles are red.

Answers:

1. 0.2150
2. 0.2508
3. 0.3823
4. 0.1662