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The probability that an individual is left-handed is 0.1. In a class of 30 students, what is the probability of finding at least five left-handers?

The probability that an individual is left-handed is 0.1. In a class of 30 students, what is the probability of finding at least five left-handers?
[Hint: Binomial probability; P(at least 5)=1-{P(0)+P(1)+P(2)+P(3)+P(4)}]

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