A company is studying the number of monthly absences among its employees. The following probability distribution shows the likelihood that people were absent 0, 1, 2, 3, 4, or 5 days last month. Number of days absent (X): 0, 1, 2, 3, 4, 5. Probability [P(X)]: 0.6, 0.2, 0.12, 0.04, 0.04, 0. respectively. Find : i) F(X) and draw it. ii) Calculate the expected value of absences and the standard deviation. *

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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A company is studying the number of monthly absences among its employees. The following probability distribution shows the likelihood that people were absent 0, 1, 2, 3, 4, or 5 days last month. Number of days absent (X): 0, 1, 2, 3, 4, 5. Probability [P(X)]: 0.6, 0.2, 0.12, 0.04, 0.04, 0. respectively. Find : i) F(X) and draw it. ii) Calculate the expected value of absences and the standard deviation. *
 
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