# Statistics Quiz

**1) The heights of adult males are known to be normally distributed with a mean of 709 inches and a standard deviation of 2 inches.**

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**a) Find the probability that a randomly selected adult male will be taller than 75 inches?**

**b) If three adult males are picked at random fin the probability that at lead one of the males is taller than 75 inches.**

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**2) Suppose a fair coin is tossed 36 times.**

**A) What is the (approximate) probability of getting at most 20 heads.**

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**B) What is the probability of getting exactly 18 heads?**

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