Solve the problem.The lifetime of an appliance that costs $100 is exponentially distributed with a mean of 2 years. The manufacturer gives a full refund if the appliance fails in the first year following its purchase. If the manufacturer sells 300 printers, how much should it expect to pay in refunds?
A. $18,196
B. $10,624
C. $11,804
D. $118
Answer: C
Mathematics
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A. V(y) = 
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B. V(y) = 
y3/2
C. V(y) = 
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A. down payment price B. total price C. cash price D. installment price
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Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Mathematics