Ashelf has 20 bags of potatoes. two of the bags have potatoes starting to go bad. what is the expected probability of the complement of the event "bad bags of potatoes"?

a.) 0.1

b.) 0.2

c.) 0.8

d.) 0.9

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score