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Chances Are… You can do it! Activity #5

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Five baseball players threw their caps into a sports bag after a ball game. What is the probability that each person will pick his or her own hat when starting the next game?

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The probability that the first person will get the right hat is 1/5. Now there are four people and four hats so the probability that the second person gets their own hat is…? HINT 1/4

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The total probability of everyone getting his/her own hat is found by multiplying all the possibilities together. (1/5) x (1/4) x (1/3) x (1/2) x1 = 1/(5x4x3x2x1) =

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So the probability that each person will pick his or her own hat is... 1/120 Would each person picking their own hat be a certainty? impossible? Or a possibility? Justify your answer in your journal. End of Activity

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