What number is 0.1 less than 173.89

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

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.