1.An office has four copying machines, and the random variable X measures how many of them are in useat a particular moment in time. Suppose that P(X = 0) = 0.08, P(X= 1) = 0.11, P(X= 2) = 0.27, andP(X = 3) = 0.33.What is P(X = 4)?Draw a line graph of the probability mass function.Construct and plot the cumulative distribution function.а.b.с.

Answered: An office has four copying machines,…

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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Florida State University has 14 statistics classes scheduled for its Summer 2013 term. One class has space available for 30 students, eight classes have space for 60 students, one class has space for 70 students, and four classes have space for 100 students. Space is available for 980 students. Suppose that each class is ﬁlled to capacity and select a statistics student at random. Let the random variable X equal the size of the student’s class. Deﬁne the PDF for X. I. P(x) can be deﬁned as the probability that the size of the students' class is less than x II. P(x) can be deﬁned as the average size of the student's class. III. P(x) can be defined as the probability of the different size of the student's class, multiplied by the corresponding class size. IV. P(x) can be deﬁned as the probability that the size of the student’s class is equal to x.

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