Find the surface area of the sphere to the nearest square unit. use a calculator. a. 254 in.2 b. 64 in.2 c. 127 in.2 d. 1,018 in.2

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