The fact family model represents 6+5=11

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.

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

Fill in the table with whole numbers to make 430 in five different ways