A customer service center is tracking number of complaints in each week. Let X be the number of complaints in each week. The probability distribution of X is summarized as below. X 0 1 2 3 Probability 0.4 ? 0.15 0.05 1. Fill in the missing probability for X = 1 2. What is the median of X? 3. What can you say about the expected value of X? a) Its larger than the median b) Its smaller than the median c) Its the same as the median 4. Can we be certain that the standard deviation of X is less than 3?
A customer service center is tracking number of complaints in each week. Let X be the number of complaints in each week. The probability distribution of X is summarized as below. X 0 1 2 3 Probability 0.4 ? 0.15 0.05 1. Fill in the missing probability for X = 1 2. What is the median of X? 3. What can you say about the expected value of X? a) Its larger than the median b) Its smaller than the median c) Its the same as the median 4. Can we be certain that the standard deviation of X is less than 3?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A customer service center is tracking number of complaints in each week. Let X be the number of complaints in each week. The
| X | 0 | 1 | 2 | 3 |
| Probability | 0.4 | ? | 0.15 | 0.05 |
1. Fill in the missing probability for X = 1
2. What is the
3. What can you say about the
a) Its larger than the median
b) Its smaller than the median
c) Its the same as the median
4. Can we be certain that the standard deviation of X is less than 3?
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