Answered: Let Y = the number of dropped calls…

Let Y = the number of dropped calls experienced per day by customers of a particular cell phone provider. Y has the following probability distribution: 1 .30 Prob 0 .55 2 10 3 .05

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

What is the standard deviation of dropped calls per day? a) 1.15 b) 0.853 c) 0.65^2 d) 2.0 e) 1.5

Let Y = the number of dropped calls experienced per day by
customers of a particular cell phone provider. Y has the
following probability distribution:
1
.30
Y
Prob
0
.55
2
.10
3
.05

Expert Solution

Step 1

Let Y the number of dropped calls experienced per day having probability mass function is,

Y	0	1	2	3
P(Y)	0.55	0.30	0.10	0.05

Then,

We will find the standard deviation?

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