It is reported that 72% of working women use computers at work. Choose 5 working women at random. Find

a. The probability that at least 1 doesn't use a computer
at work

b. The probability that all 5 use a computer in their
jobs

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

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