Witch of the following expression is equivalent to the logarithmic expression below. log(3)5/x^2 a)log(3) 5+2 log(3)x b)log(3) 5-2 log(3)x c)2 log(3) 5-log(3)x d)log(3) 5+log(3)x

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