Assume x is a normal random variable with mean 20 and variance 16, and y is a gamma random variable with parameters 5 and 2. in addition x and y are independent. construct a box with length l = |x|, width w = 2|x|, and height h = y . let v be the volume of the box. calculate the expected value e[v ]?

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total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98