1. Amy rolls 15 8-sided dice. What is the probability that at least 2 of the...

1. Amy rolls 15 8-sided dice. What is the probability that at least 2 of the rolls are 5s?

Answer: 0.5759

2. Amy shoots 10 arrows at a target. Each arrow hits the target (independently) with probability 0.3. What is the probability that at least 3 of the arrows hit the target?

Answer: 0.6172

3. Amy shoots 64000 arrows at a target. Each arrow hits the target (independently) with probability 0.3. What is the probability that more than 2 of the first 17 arrows hit the target?

Answer: 0.9226

4. Amy tosses 19 biased coins. Each coin comes up heads with probability 0.1. What is the probability that at least 3 of the coins come up heads?

Answer: 0.2946

5. Amy tosses 10 biased coins. Each coin comes up heads with probability 0.5. What is the probability that at most 1 of the coins come up heads?

Answer: 0.0107

Expert Solution

orchestra answered 2 years ago

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