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e
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The random variable \(X\) represents the number of hours a student spends studying on a weekend, with the probability distribution given below:
\(x\)
0
1
2
3
4
\(P(X = x)\)
0.2
0.25
0.3
0.15
0.1
Calculate the expected value \(E(X)\), the average number of hours spent studying per weekend.
\(E(X) = \)
7
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9
+
4
5
6
-
1
2
3
*
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