The demand (in number of copies per day) for a city newspaper, x, has historically been 50,000,

Question:

The demand (in number of copies per day) for a city newspaper, x, has historically been 50,000, 70,000, 90,000, 110,000, or 130,000 with the respective probabilities .1, .25, .4, .2, and .05.

a. Graph the probability distribution of x.

b. Find the expected demand. Interpret this value, and label it on the graph of part a.

c. Using Chebyshev€™s Theorem, find the minimum percentage of all possible daily demand values that will fall in the interval

Distribution
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