SOLUTION: Thirty raffle tickets are numbered from 1 to 30. Two tickets are drawn at random without replacement. What is the probability that both ticket numbers are greater than 20
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Question 612663: Thirty raffle tickets are numbered from 1 to 30. Two tickets are drawn at random without replacement. What is the probability that both ticket numbers are greater than 20 Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Thirty raffle tickets are numbered from 1 to 30. Two tickets are drawn at random without replacement. What is the probability that both ticket numbers are greater than 20
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Thirty raffle tickets are numbered from 1 to 30. Two tickets are drawn at random without replacement. What is the probability that both ticket numbers are greater than 20
# of ways to succeed: 10C2 = 45
# of random pairs: 30C2 = 435
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P(2 tics > 20) = 45/435 = 0.1034
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Cheers,
Stan H.
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