Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Probability - Problem 1

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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If you play cards, you know that there are 52 cards total, half of which are red and the other half are black. There are 13 cards in each of 4 suits- hearts and diamonds, and spades and clubs. If we are being dealt a hand of cards where the cards are not replaced, the denominators of our fractions will go down, because there will be one fewer card in the deck each time. If the cards are replaced, then the denominators will not change. Since we want multiple cards to come up all at once, we will multiply the probabilities.

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