A mail-order computer business has six telephone lines. Let X denote the number of lines in use ata specified time. Suppose the pmf of X is as given in the accompanying table.234P(X=x)0.100.150.200.200.060.04aA. Calculate the probability of each of the following events.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}e. {between two and four lines, inclusive, are not in use}f. {at least four lines are not in use}B. Construct the cumulative distribution function tableC. Construct histogramD. Find the E(X), V(X), standard deviation

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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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Let A and B be two events such that P(ANB)=0.2, P(A NB)=D0.3 , and P(ANB)3D0.7. The value of P(B | A) is Select one: a. 1 b. 3 < O O
er Weapon Handgun Rifle Shotgun Unknown firearm Knives Hands, fists, etc. Other Probability 0.478 0.027 0.035 0.148 0.135 0.059 0.118 to 0 and less than or equal to 1, and the sum of the probabilities of all outcomes E 14 quiz
Let X denotes the number of patients who die at a certain hospital in a day. The following table gives the probability function of X. 2 3 4 P(X x) 0.3 0.25 0.25 0.15 0.05 The expected number of deaths per day in the hospital is: 3.3 ) 2.4 17
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