10. The daily quantity of water demanded by the population of a large northeastern city in the...

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10. The daily quantity of water demanded by the population of a large northeastern city in the summer months is the outcome of a random variable, X, measured in millions of gallons and having a MGF of Mx(t) ΒΌ (1 .5 t)

10 for t < 2.

(a) Find the mean and variance of the daily quantity of water demanded.

(b) Is the density function of water quantity demanded symmetric?

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