the cdf F(x). Use the graph to calculate the probabilities of the events given below. (a) {at most three lines are in use} (b) {fewer than three lines are in use} (c) {at least three lines are in use}
the cdf F(x). Use the graph to calculate the probabilities of the events given below. (a) {at most three lines are in use} (b) {fewer than three lines are in use} (c) {at least three lines are in use}
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.
x | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
p(x) | 0.10 | 0.18 | 0.20 | 0.22 | 0.20 | 0.06 | 0.04 |
Calculate the cdf F(x).
x | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
F(x) |
Graph the cdf F(x).
Use the graph to calculate the probabilities of the
(a) {at most three lines are in use}
(b) {fewer than three lines are in use}
(c) {at least three lines are in use}
(d) {between two and five lines, inclusive, are in use}
(b) {fewer than three lines are in use}
(c) {at least three lines are in use}
(d) {between two and five lines, inclusive, are in use}

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 1 2 3
4
5 6
p(x)
0.10 0.18 0.20 0.22 0.20 0.06 0.04
Calculate the cdf F(x).
2
3
4
6.
F(x)
Graph the cdf F(x).

Transcribed Image Text:Use the graph to calculate the probabilities of the events given below.
(a) {at most three lines are in use}
(b) {fewer than three lines are in use}
(c) {at least three lines are in use}
(d) {between two and five lines, inclusive, are in use}
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