The Density Function of a Normal Random Variable X Is $f ( x ) = \frac { 1 } { 4 \sqrt { 2 \pi } } e ^ { - x ^ { 2 } / 32 }$

question 9

Multiple Choice

The density function of a normal random variable X is $f ( x ) = \frac { 1 } { 4 \sqrt { 2 \pi } } e ^ { - x ^ { 2 } / 32 }$ Find the expected value $E ( X )$

• A)4
• B)0
• C)2
• D)8

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