Ramaining Time: T hour, 54 minutas, 16 seconds. Question Completion Status The following is the probability distribution for calls arrived at a switchboard of one of the leading companies: No. Calls (X) P(X) 0.19 0.38 14 0.3 18 What is the Calls Variance ? (Write your answer to the nearest 2 decimals)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question
100%
Remaining Time: T hour, 54 minutas, 16 seconds.
Question Completion Status:
The following is the probability distribution for calls arrived at a switchboard of one of the leading companies:
No. Calls (X)
P(X)
0.19
0.38
14
0.3
18
What is the Calls Variance ?
(Write your answer to the nearest 2 decimals)
Transcribed Image Text:Remaining Time: T hour, 54 minutas, 16 seconds. Question Completion Status: The following is the probability distribution for calls arrived at a switchboard of one of the leading companies: No. Calls (X) P(X) 0.19 0.38 14 0.3 18 What is the Calls Variance ? (Write your answer to the nearest 2 decimals)
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON