What is 136.75 X1000? ​

Standard deviation of 19,29,21,22,23

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

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.