Printed circuit cards are placed in a functional test after being populated with semiconductor chips. Suppose...

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Printed circuit cards are placed in a functional test afterbeing populated with semiconductor chips. Suppose that there are 8blue credit cards, 6 red credit cards and 4 blue debit cards in abox. It is known that color and card type are to be independentwhen a card is selected at random from this box.
a) How many red debit cards must be present?
b) Suppose that, 5 cards are randomly selected in a row withreplacement. What is the probability that 2 blue credit cards and 2blue debit cards are selected?
c) Suppose that, 5 cards are randomly selected in a row withoutreplacement. What is the probability that 2 blue credit cards and 2blue debit cards are selected?

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a let x no of red debit card for independent Pred debit card Pred credit card no of red debit card no of debit card no of red credit card no of credit card x4x 668 See Answer

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