following table provides a probability distribution for the random variable x. x 8 f(x) 0.25 16 0.50 24 0.25
following table provides a probability distribution for the random variable x. x 8 f(x) 0.25 16 0.50 24 0.25
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
Related questions
Question
![The following table provides a probability distribution for the random variable x.
f(x)
X
=
8
0 =
0.25
16 0.50
(a) Compute E(x), the expected value of x.
E(x)
24 0.25
(b) Compute 2, the variance of x.
0²=
(c) Compute σ, the standard deviation of x. (Round your answer to two decimal places.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf5ef969-a2da-4b22-8ba3-ee44845f2023%2Fe2872c8c-3142-4df3-9704-a6c269428737%2Fu2bb4k6_processed.png&w=3840&q=75)
Transcribed Image Text:The following table provides a probability distribution for the random variable x.
f(x)
X
=
8
0 =
0.25
16 0.50
(a) Compute E(x), the expected value of x.
E(x)
24 0.25
(b) Compute 2, the variance of x.
0²=
(c) Compute σ, the standard deviation of x. (Round your answer to two decimal places.)
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage