Seventy million pounds of trout are grown in the u. s. every year. farm-raised trout contain an average of grams of fat per pound, with a standard deviation of grams of fat per pound. a random sample of farm-raised trout is selected. the mean fat content for the sample is grams per pound. find the probability of observing a sample mean of grams of fat per pound or less in a random sample of farm-raised trout. carry your intermediate computations to at least four decimal places. round your answer to at least three decimal places.