the distance between two cities on a map 3.5 CM the map uses a scale in which 1 cm represents 20 km what is the actual distance between these two cities in kilometers​

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