You plan to mail a box of homemade cookies to a friend. Due to shipping costs, you do not want the weight of the box to exceed 8 ounces. If each cookie weighs
16 grams, what is the maximum number of cookies you should put in the box?

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.