Question

14-20. The owner of a newspaper stand receives 50 copies of Al Ahram newspaer eves morning. The number of copies sold, x, varies randomly according to the folou probability distribution: 4535, 36,...,49 x 50, 51,.. . ,59 33 60, 61,...,70 p(x (a) Determine the probability that the owner will sell out completely (b) Determine the expected number of unsold copies per day (e) A single copy costs 50 cents and sells for $1.00. Unsold copies have Determine the expected net income per day.

The correct answers are:

(a) .6667

(b) 2.67

(c) 22.33

I don't understand how to get them.

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Answer #1

g-o di 50s 9 250 2午60t (4-4-1) = 53.53 exedd mut income

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