Y2-x;when x=2, and y=-7

Can you simplify 4/7? 24 points will be awarded!

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

Which strategy is used by public health to reduce the incidence of food poisoning?