A manufacturer guarantees a product for 1 year. The time to failure of the product after it is sold is given by the probability density function
![697_Equation 03.jpg](https://secure.tutorsglobe.com/CMSImages/697_Equation%2003.jpg)
where t is time in months. What is the probability that a buyer chosen at random will have a product failure
(A) During the warranty period?
(B) During the second year after purchase?