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An unbiased coin is tossed 20 times. 1. Find the probability that the coin lands heads exactly 11 times.a. 0.1602 b. 0.5731 c. 0.2941 d.

An unbiased coin is tossed 20 times.

1. Find the probability that the coin lands heads exactly 11 times.a. 0.1602 b. 0.5731 c. 0.2941 d. 0.1527 e. 0.6374

2. Find the probability that the coin lands tails at most 17 times.a. 0.0002 b. 0.8748 c. 0.7812 d. 0.0176 e. 0.9998

3. Find the probability that the coin lands heads at most 3 times.a. 0.0004 b. 0.9963 c. 0.9556 d. 0.8751 e. 0.0013

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