Suppose that there are 8 blue credit cards, 6 red credit cardsand 4 blue debit cards in a box. It is known that color and cardtype are to be independent when a card is selected at random fromthis box. a) How many red debit cards must be present? b) Supposethat, 6 cards are randomly selected in a row with replacement. Whatis the probability that 2 blue credit cards and 2 blue debit cardsare selected? c) Suppose that, 6 cards are randomly selected in arow without replacement. What is the probability that 2 blue creditcards and 2 blue debit cards are selected?
