SOLUTION: The probability that an individual is left- handed is o.11. In a class of 40 students, what is the probability of finding five left- handers?

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Question 78617This question is from textbook Elementary Statistics
: The probability that an individual is left- handed is o.11. In a class of 40 students, what is the probability of finding five left- handers? This question is from textbook Elementary Statistics

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The probability that an individual is left- handed is o.11. In a class of 40 students, what is the probability of finding five left- handers?
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It's a binomial problem with n=40, p=0.11, x=5
P(x=5) = 40C5(0.11)^5(0.89)^35 = 0.179...
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Cheers,
Stan H.