1. What are some examples, other than temperature, where similar averages can be associated with very different distributions? 2. Give some practical uses of knowing variation. 3. For many years, the New York subway had no air conditioning on the grounds that the average trip was only 15 minutes, and 15 minutes without air conditioning is no hardship, even in the New York summer. Critique this reasoning.

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A: Which of the following is not a discrete random variable? A.The number of heads when we toss two coi...

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A: @solution:: thank you for asking this question . here you are answer .

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A: Given,n=9p=0.54A random variable X~Binomial(n=9 , p=0.54)P(X=x)=9x0.54x1-0.549-x  ;  x=0,1,2,...9