7. A bag of M&Ms dumped on the table and you court 91 blue pieces Approximately how many M&ms do you expect to be in the entire bag based on the proportions of the entire class?

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.