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Mathematics, 27.06.2020 21:01 zaiinab
From Statistics and Data Analysis from Elementary to Intermediate by Tamhane and Dunlop, pg 73. Consider an insurance agency with 15,000 customers who have both auto and homeowners policies. Let X and Y be discrete random variables, where X the deductible amount on the auto policy and Y the deductible amount on the homeowner policy. A summary of the number of customers with these policies is shown below. =
Home Policy Deductible (Y) Total
$0 $100 $200
Auto Policy $100 3000 1500 3000 7500
Deductible (X) $250 750 2250 4500 7500
Total 3750 3750 7500 15,000
a) Find the marginal pmf of X and Y. Are X and Y independent?
b) Find the conditional distribution of Y, given X = 100.
c) Find the conditional distribution of Y, given X = 250.
d) Find the covariance of X and Y.
e) Determine the correlation coefficient between X and Y.
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From Statistics and Data Analysis from Elementary to Intermediate by Tamhane and Dunlop, pg 73. Cons...
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