Random Variables and Economics Question

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Question 1
10 points
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The probability that Stephen Curry scores given that James Harden is guarding him is 45%. The probability that Harden is guarding Curry is 20%. What is the probability that Curry scores and Harden is guarding him?
25%
O 44%
O 9%
O 65%
O 45%
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Question 1 of 11
Question 2
10 points
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You assign the following subjective probabilities to the amount of points you are going to get on the econometrics exam:
Grade
Probability
100
0.15
95
0.20
90
0.15
85
0.40
80
0.10
What is the expected value of your grade?
O 100.0
0 90.0
90.5
O 85.0
89.5
Question 3
10 points
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Suppose Y is distributed N(2,16). What is the Pr(Y> 5)?
O 0.575
O 0.227
O 0.425
O 0.773
O 0.750
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Question 3 of 11 > >>
Question 4
10 points
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If var(Y) = 1, then what is the var( 4Y+3)?
019
O 12
0 1
O 7
O 16
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Explanation & Answer:
8 Questions

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ramdom variables

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