Q18: Studies have shown that X, the number of refrigerators sold per week has the following probability distribution 4. 0.45 5 0.18 10 0.02 f(x) 0.05 The mean of X is equal to (A)2.0 (B) 4.0 (C)2.5 (D)3.5 (E) Cannot be found

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Q18: Studies have shown that X, the number of refrigerators sold per week has the following
probability distribution
4
0.45
10
0.02
5
f(x)
0.05
0.18
The mean of X is equal to
(A)2.0
(B) 4.0
(C) 2.5
(D)3.5
(E) Cannot be found
Transcribed Image Text:Q18: Studies have shown that X, the number of refrigerators sold per week has the following probability distribution 4 0.45 10 0.02 5 f(x) 0.05 0.18 The mean of X is equal to (A)2.0 (B) 4.0 (C) 2.5 (D)3.5 (E) Cannot be found
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