Suppose the probability distribution for X = number of jobs held during the past year for students at a school is as in the following table. No. of Jobs, X 3 4. Probability 0.18 0.39 0.26 0.11 0.06 (a) Find P(X s 2), the probability that a randomly selected student held two or fewer jobs during the past year. P(X S 2) = (b) Find the probability, P that a randomly selected student held either one or two jobs during the past year. P = (c) Find P(X > 0), the probability that a randomly selected student held at least one job during the past year. P(X > Of = (d) Fill in the table that lists the cumulative probability distribution function for X. 1 4 P(X
Suppose the probability distribution for X = number of jobs held during the past year for students at a school is as in the following table. No. of Jobs, X 3 4. Probability 0.18 0.39 0.26 0.11 0.06 (a) Find P(X s 2), the probability that a randomly selected student held two or fewer jobs during the past year. P(X S 2) = (b) Find the probability, P that a randomly selected student held either one or two jobs during the past year. P = (c) Find P(X > 0), the probability that a randomly selected student held at least one job during the past year. P(X > Of = (d) Fill in the table that lists the cumulative probability distribution function for X. 1 4 P(X
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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
Transcribed Image Text:Suppose the probability distribution for X = number of jobs held during the past year for students at a school is as in the following table.
No. of Jobs, X
1
3
4
Probability
0.18 0.39 0.26 0.11 0.06
(a) Find P(X < 2), the probability that a randomly selected student held two or fewer jobs during the past year.
P(X s 2) =
(b) Find the probability, P that a randomly selected student held either one or two jobs during the past year.
P =
(c) Find P(X > 0), the probability that a randomly selected student held at least one job during the past year.
P(X > Of =
(d) Fill in the table that lists the cumulative probability distribution function for X.
1
4
P(XSk)
Nood Helnt
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