his sales by recording the number of boxes of pandesal delivered for the entire month. The probability shown below was the result of his data gathering where x is the number of boxes sold each day with each corresponding probabilities, P(x). x 35 36 37 38 39 P(x) 0.10 0.20 0.30 0.30 0.10 QUESTIONS a. What is the average number of boxes of pandesal delivered each day? b. What is the variance of the distribution?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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1.) A bakeshop owner determines the number of boxes of pandesal that are delivered each day. He studied the flow of his sales by recording the number of boxes of pandesal delivered for the entire month. The probability shown below was the result of his data gathering where x is the number of boxes sold each day with each corresponding probabilities, P(x).

x 35 36 37 38 39
P(x) 0.10 0.20 0.30 0.30 0.10

QUESTIONS

a. What is the average number of boxes of pandesal delivered each day?

b. What is the variance of the distribution?

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