standard deck of cards fifty-two cards has thirteen ranks R = {A, 2, 3, 4, 5, 6, 7, 8, 9, T, J, Q, K} and four suits S = {♥, ♦, ♣, ♠}. In MAT 133, we play cards with an extended deck. We have an additional suit of cards: the smile suit ,; and an additional rank: the Professor. For example, the “professor of smiles” card is P ,. In terms of ranking, the professor outranks the king. i) Suppose you are dealt a seven-card hand from the MAT133 deck. How many of those hands include exactly one professor and exactly one smile? ii) Suppose you are dealt a seven-card hand from the MAT133 deck. How many of those hands include at least one professor and at least one smil

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Chapter9: Sequences, Probability And Counting Theory
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A standard deck of cards fifty-two cards has thirteen ranks R = {A, 2, 3, 4, 5, 6, 7, 8, 9, T, J, Q, K} and four suits
S = {♥, ♦, ♣, ♠}. In MAT 133, we play cards with an extended deck. We have an additional suit of cards: the
smile suit ,; and an additional rank: the Professor. For example, the “professor of smiles” card is P ,. In terms of
ranking, the professor outranks the king.

i) Suppose you are dealt a seven-card hand from the MAT133 deck. How many of those hands include exactly
one professor and exactly one smile?
ii) Suppose you are dealt a seven-card hand from the MAT133 deck. How many of those hands include at least
one professor and at least one smile?

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