Find the Expected Value of the Random Variable Whose Density $f ( x ) = \frac { 3 } { 8 } x ^ { 2 } , 0 \leq x \leq 2$

question 59

Multiple Choice

Find the expected value of the random variable whose density function is $f ( x ) = \frac { 3 } { 8 } x ^ { 2 } , 0 \leq x \leq 2$ .

• A) \(\frac { 5 } { 2 }\)
• B) \(\frac { 5 } { 8 }\)
• C) \(\frac { 3 } { 2 }\)
• D) \(\frac { 3 } { 8 }\)
• E) none of these

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