The Owner of a Fish Market Determined That the Mean

Short Answer

The owner of a fish market determined that the mean weight for a catfish is 3.2 pounds.He also knew that the probability of a randomly selected catfish that would weigh more than 3.8 pounds is 20% and the probability that a randomly selected catfish that would weigh less than 2.8 pounds is 30%.The middle 40% of the catfish will weigh between pounds and pounds.