SOLUTION: LeRoy has 15 different ties. He chooses a tie at random everyday.
How many times could he expect to wear a given tie in 45 days?
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Question 588081: LeRoy has 15 different ties. He chooses a tie at random everyday.
How many times could he expect to wear a given tie in 45 days?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
LeRoy has 15 different ties. He chooses a tie at random everyday.
How many times could he expect to wear a given tie in 45 days?
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Binomial Problem with n = 45 and p = 1/15
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Expected value = np = 45*(1/15) = 3 times
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Cheers,
Stan H.
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