The table shows the number of games required to finish the last 50 world series. what was the average length of a world series?
a) 5.16 games
b) 5.26 games
c) 5.36 games
d) 5.46 games
games to end 50 world series
number of games frequency
4 14
5 13
6 9
7 14

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.