A study by Peter D. Hart Research Assoc. for Nasdaq Stock Market revealed that 43% of all U.S. adults are stockholders. Additionally, study determined that 75% of all U.S. adult stockholders have some college education. Suppose 37% of all U.S. adults have some college education. U.S. adult is arbitarily selected; compute the probability that adult does not own stock? Determine the probability that adult owns stock and has some college education? Determine the probability that adult owns stock or has some college education?