Section13.4 Notes

# Mutually exclusive event no common cards together

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Mutually exclusive event no common cards together Overlapping event because a card could be a King and heart at the same time. P(Queen or Ace) = P(Queen) + P(Ace) P(King or Heart) = P(King) + P(heart) P(King and heart) Examples: 1. You choose a card from a standard 52-card deck. Find the probability that you choose a heart or a spade. P(heart of spade) = 2. You choose a card from a standard 52-card deck. Find the probability that you choose an even number or a heart. P(even or heart) = 1. What is the probability that the ball selected is an odd numbered yellow ball? 2. What is the probability that a randomly chosen ball is even and red? 3. What is the probability that a randomly chosen ball is not add and blue? 4. What is the probability that a randomly chosen ball is odd?

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Find the probability of A and B (multiply) A basket of applies contains 6 red apples, 2 green apples, and 3 yellow apples. You randomly secto 2 apples, one at a time. Find the probability that both are yellow if: You replace the first apple, then select a second You eat the first apple, then select the second Independent Event you replace the first selection Dependent Event your sample space changes, you do not replace the first outcome. P(2 yellow apples) = P(2 yellow apples) = Example: An aquarium contains 6 male goldfish and 4 female goldfish. You randomly select a fish from the tank, do not replace it, and then randomly choose a second fish. What is the probability that both fish are male? P(male and then female) =
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