The automatic hopper car loader is set to put 83 tons of coal into each car with mean 83 and standard deviation 1.4 ton

Coal is carried from a mine in West Virginia to a power plant in New York in hopper actual weights of coal loaded into each car are normally distributed, with mean u In USE SALT (a) What is the probability that one car chosen at random will have less th (b) What is the probability that 27 cars chosen at random will have a mean (c) Suppose the weight of coal in one car was less than 82.5 tons. Would th