Graph y=8 sec1/5 Ø the answers are graphs I am just unsure of how to answer

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

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.

Adeposit of 5500 at 6% for 3 years equals