2. [6 points total, 3 points each] An insurance policy reimburses the dental expense, X, up...

 

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2. [6 points total, 3 points each] An insurance policy reimburses the dental expense, X, up to a maximum of 250. The probability density function for X is: f(x)= ce-0.004x 0 for x 0 otherwise. where c is a constant. (a) Find c. (b) Find E(X). 2. [6 points total, 3 points each] An insurance policy reimburses the dental expense, X, up to a maximum of 250. The probability density function for X is: f(x)= ce-0.004x 0 for x 0 otherwise. where c is a constant. (a) Find c. (b) Find E(X).