Question

29. An unbiased coin is tossed thrice. Find the
probabilities of the following events:
(1) A:exactly 2 heads are received
(2) B: at least 2 heads are received
D
(3) C:at most 2 heads are received​

Answer 1

Answer:

1. 3/8

2. 1/2

3. 3/4

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Answer 2

Answer:

1)3/8

2)1/2

3)7/8

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