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Probability distribution
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1. Suppose that the probability distribution of a random variable X can be described by the formula

p(X= x) = (2x-3)2/ 45  for x =0, 1,2,3,4

A.    What is the probability distribution of X

B.     What is Ux = E(x)

C.     What is σ2

 

2. Consider an experiment where we roll a single die and observe the number of dots. Thus, our sample space is S = {1, 2, 3, 4, 5, 6}. Suppose that the die is not fair and that P(i) = k / i for i = 1, 2, 3, 4, 5, 6. What is the value of k?

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Probability distribution
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  • Submitted On 01 Feb, 2018 09:58:54
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