QUESTION 3 The number X of refrigerators sold per day at a local appliance store is shown in the table below along with the coressponding probabilities. If u=2.64, Find the variance of X. 1 4 b 0.04 f(x) 0.06 b 0.35 0.13 O 2.91 O 1.51 O 1.23 O 8.48

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QUESTION 3
The number X of refrigerators sold per day at a local appliance store is shown in the table below along with the
coressponding probabilities. If u=2.64, Find the variance of X.
1
2
3
4
f(x)
0.35
b
0.04
0.06
0.13
b
2.91
1.51
1.23
8.48
Transcribed Image Text:QUESTION 3 The number X of refrigerators sold per day at a local appliance store is shown in the table below along with the coressponding probabilities. If u=2.64, Find the variance of X. 1 2 3 4 f(x) 0.35 b 0.04 0.06 0.13 b 2.91 1.51 1.23 8.48
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