question archive A local FedEx/Kinkos has three black-and-white copy machines and two color copiers
A local FedEx/Kinkos has three black-and-white copy machines and two color copiers
Subject:StatisticsPrice: Bought3
A local FedEx/Kinkos has three black-and-white copy machines and two color copiers. Based on historical data, the chances that each black-and-white copier will be downfor repairs is 0.10. The color copiers are more of problem and are down 20% of the time
a) What is the probability that all five copiers will be up and running at the same time
b) Suppose the manger bought an additional black and white copier. How would the probability of all copiers being ready at one time be affected?
