Question: A customer entering an electronics store will buy a flat screen TV with probability 0.3. Sixty percent of the customers buying a flat screen TV

A customer entering an electronics store will buy a flat screen TV with probability 0.3. Sixty percent of the customers buying a flat screen TV will spend $750.00 and 40% will spend $400.00. Let X denote the amount spent on flat screen TVs by two random customers entering the store. (a) Find the PMF of X. (b) Find the mean value and variance of X.

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