Sherlock has a well-shuffled complete deck of cards. John has a bucket with 300glass marbles in it. 100 of the marbles have 'spots, the rest of the marbles are one ofthe solid colors blue or green or black or white.If Sherlock picks one card at random from his deck and John picks one marble atrandom from his bucket, the two events are independent of each other, andprobabilities multiply.What is the probability that Sherlock gets a card and John gets a marble?