The length of shadow of a building is 90 meters, as shown below: what is the height of the building? a. 180 m b. 51.96m c. 155.88m d.60m

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол