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A mail-order computer business has six telephone lines. Let X denote the number of lines in use at a specified time. Suppose the pmf of X is as given in the accompanying table. 4 5 6 0 1 2 3 0.12 0.15 0.20 0.23 0.20 0.07 0.03 p(x) Calculate the cdf F(x). F(x) Graph the cdf F(x). F(X) ta 1.0 0.8 0.6 0.4 0.2 0.0 O FOX) 1 FOX) 1.0 0.8 O as 0.4 0.2 0.0 FOX) 1.0 1.0 0.8 0.8 0.6 0.6 0.4 0.4 0.2 0.2 0.0 0.0 Use the graph to calculate the probabilities of the events given below. (a) (at most three lines are in use}

A mail-order computer business has six telephone lines. Let X denote the number of lines in use at a specified time. Suppose the pmf of X is as given in the accompanying table. 4 5 6 0 1 2 3 0.12 0.15 0.20 0.23 0.20 0.07 0.03 p(x) Calculate the cdf F(x). F(x) Graph the cdf F(x). F(X) ta 1.0 0.8 0.6 0.4 0.2 0.0 O FOX) 1 FOX) 1.0 0.8 O as 0.4 0.2 0.0 FOX) 1.0 1.0 0.8 0.8 0.6 0.6 0.4 0.4 0.2 0.2 0.0 0.0 Use the graph to calculate the probabilities of the events given below. (a) (at most three lines are in use}

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A mail-order computer business has six telephone lines. Let X denote the number of lines in use at a specified time. Suppose the pmf of X is as given in the accompanying table. 0 2 3 4 5 6 1 0.12 0.15 0.20 0.23 0.20 0.07 0.03 p(x) Calculate the cdf F(x). F(x) Graph the cdf F(x). F(X) 1.0 0.8 0.6 0.4 0.2 0.0 FOX) 1.0 0.8 0.6 0.4 0.2 0.0 O 1 2 3 4 3 7 1 2 3 3 6 Use the graph to calculate the probabilities of the events given below. (a) (at most three lines are in use} 1.0 0.8 0.6 0.4 0.2 0.0 O F(X) FOX) 1.0 0.8 O 0.6 0.4 0.2 0.0 1 1 2 2 3 3 4 3 6 6 7
Transcribed Image Text:A mail-order computer business has six telephone lines. Let X denote the number of lines in use at a specified time. Suppose the pmf of X is as given in the accompanying table. 0 2 3 4 5 6 1 0.12 0.15 0.20 0.23 0.20 0.07 0.03 p(x) Calculate the cdf F(x). F(x) Graph the cdf F(x). F(X) 1.0 0.8 0.6 0.4 0.2 0.0 FOX) 1.0 0.8 0.6 0.4 0.2 0.0 O 1 2 3 4 3 7 1 2 3 3 6 Use the graph to calculate the probabilities of the events given below. (a) (at most three lines are in use} 1.0 0.8 0.6 0.4 0.2 0.0 O F(X) FOX) 1.0 0.8 O 0.6 0.4 0.2 0.0 1 1 2 2 3 3 4 3 6 6 7
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