Aplumber uses the expression 48 + 25h to determine the number of dollars to charge each customer. if h = 4, how much does the customer pay? 52 dollars 73 dollars 100 dollars 148 dollars

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