SOLUTION: A department store is holding a drawing to give free shopping sprees to two lucky customers. There are 15 customers who have entered the drawing: 4 live in the town of Gaston, 6 li
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Question 411920: A department store is holding a drawing to give free shopping sprees to two lucky customers. There are 15 customers who have entered the drawing: 4 live in the town of Gaston, 6 live in Pike, and 5 live in Wells. In the drawing, the first customer will be selected at random, and then the second customer will be selected at random from the remaining customers. What is the probability that both customers selected are Wells residents?
Report your answer as an exact fraction.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A department store is holding a drawing to give free shopping sprees to two lucky customers. There are 15 customers who have entered the drawing: 4 live in the town of Gaston, 6 live in Pike, and 5 live in Wells. In the drawing, the first customer will be selected at random, and then the second customer will be selected at random from the remaining customers. What is the probability that both customers selected are Wells residents?
Report your answer as an exact fraction.
1st selection: 5/15
2nd selection: 4/14
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Ans: (5/15)(4/14) = 4/42 = 2/21
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Cheers,
Stan H.
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