Lee Hays has obtained a $240,000 mortgage loan at 5.50 percent interest for 25 years. What is the monthly payment? What is the total amount paid?
What is the total interest?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.