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What is the pobability that at least one person

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10 people write their name on an index card and put the index card into an envelope. The envelopes are identical. All 10 of the envelopes are tossed into a box and mixed around. Everyone takes one envelope and opens it to see the name on the index card inside. What is the probability that the 4th person to pick an envelope is the first one to get their name? What is the probability that no one picked an envelope with their name in it? What is the pobability that at least one person picked an envelope with their name in it?

Reference no: EM132173744

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