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

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 39E: Assume that the probability that an airplane engine will fail during a torture test is 12and that...
icon
Related questions
Question
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
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
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning