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Number of Motorcycles the Probability Distribution of a Discrete Random

Question 54

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

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a. 2.55
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