Monitors manufactured by TSI Electronics have life spans that have a normal distribution with a variance of 3,610,000 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 17,720 hours. Round your answer to four decimal places.

Which expression is not a polynomial?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?

Arectangular yard has area 96 square feet. if the width of the yard is 4 feet less than the length