Ais a number that can be written as a fraction.
a number that is less than zero is a
a number that is greater than zero is a
the of a number is the distance between the number and zero on a number line.
the division of a ends.
a decimal whose digits repeat in groups of one or more is a

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.