SOLUTION: A die is rolled 20 times and the number of twos that comes up is tallied. Find the probability of getting the given result. Exactly five twos.
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Question 165415: A die is rolled 20 times and the number of twos that comes up is tallied. Find the probability of getting the given result. Exactly five twos. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A die is rolled 20 times and the number of twos that comes up is tallied. Find the probability of getting the given result. Exactly five twos.
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P(x=5) = 20C5(1/6)^2(5/6)^18
= 0.1294...
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Cheers,
Stan H.
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