"he pmf of X is 4.x – 1 - fx(x) = where x = 1, 2, 3 %3D %3D to

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 5T
icon
Related questions
Question
For numbers 1-5, let X equal the larger outcome when a pair of fair four-sided die
The pmf of X is
4x – 1
fx(x)
where x = 1, 2, 3
с
1. c is equal to
а. 18
b. 21
с. 16
2. Find P(X > 2)
a. 0.5238
b. 0.8571
c. 0.4762
3. Find P(X < 2)
a. 0.5238
b. 0.8571
c. 0.4762
4. The mean is equal to
a. 2.2381
b. 2.3810
с. 2.5238
5. The standard deviation is equal to
a. 0.8498
b. 0.5215
c. 0.7222
Transcribed Image Text:For numbers 1-5, let X equal the larger outcome when a pair of fair four-sided die The pmf of X is 4x – 1 fx(x) where x = 1, 2, 3 с 1. c is equal to а. 18 b. 21 с. 16 2. Find P(X > 2) a. 0.5238 b. 0.8571 c. 0.4762 3. Find P(X < 2) a. 0.5238 b. 0.8571 c. 0.4762 4. The mean is equal to a. 2.2381 b. 2.3810 с. 2.5238 5. The standard deviation is equal to a. 0.8498 b. 0.5215 c. 0.7222
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Elements Of Modern Algebra
Elements Of Modern Algebra
Algebra
ISBN:
9781285463230
Author:
Gilbert, Linda, Jimmie
Publisher:
Cengage Learning,
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning