What is the Mean no, of Calls (u)?

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...
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QUESTIONB
The following is the probability distribution for calls arrived at a switchboard of one of leading companies:
No. Calls (X)
P(X)
0.18
0.32
13
0.25
18
What is the Mean no. of Calls (u)?
(Write your answer to the nearest 2 decimals)
Transcribed Image Text:- Question Completion Status QUESTIONB The following is the probability distribution for calls arrived at a switchboard of one of leading companies: No. Calls (X) P(X) 0.18 0.32 13 0.25 18 What is the Mean no. of Calls (u)? (Write your answer to the nearest 2 decimals)
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