Number of Motorcycles
The probability distribution of a discrete random variable X is shown below,where X represents the number of motorcycles owned by a family.
-{Number of Motorcycles Narrative} Apply the laws of expected value to find the following:
a.E(X²)
b.E(2X² + 5)
c.E(X − 2)²

Question

Number of Motorcycles
The probability distribution of a discrete random variable X is shown below,where X represents the number of motorcycles owned by a family. Number of Motorcycles The probability distribution of a discrete random variable X is shown below,where X represents the number of motorcycles owned by a family. -{Number of Motorcycles Narrative} Apply the laws of expected value to find the following: a.E(X2) b.E(2X2 + 5) c.E(X − 2)2

-{Number of Motorcycles Narrative} Apply the laws of expected value to find the following:
a.E(X²)
b.E(2X² + 5)
c.E(X − 2)²

Quizplus · Accepted Answer

The Answer of Number of Motorcycles The probability distribution of a discrete random variable X is shown below,where X represents the number of motorcycles owned by a family. -{Number of Motorcycles Narrative} Apply the laws of expected value to find the following: a.E(X²) b.E(2X² + 5) c.E(X − 2)²