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1.3-9. An urn contains four balls numbered 1 through 4. The balls are selected one at a time without replacement. A match occurs if the ball numbered m is the mth ball selected. Let the event Ai denote a match on the ith draw, i = 1, 2, 3, 4. (a) Show that PIA)for each i. 3! 4 (b) Show that P(AMA) =-, i 치. 4!
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Answer #1

match occouns โ+ the ball numbered (m, Rahe mr bal deleced ter af be the marcb en he fth draw an y nvm any numben fn un rafl

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