SOLUTION: If I could just get some help with this one. The probability that a person is left handed is .20. you interview 12 people for a study what is the expected number of left handed peo

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Question 430393: If I could just get some help with this one. The probability that a person is left handed is .20. you interview 12 people for a study what is the expected number of left handed people out of 12
Thanks,
Gina
Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!
This experiment follows the binomial distribution, with n = 12, p = 0.20, and q = 1 - p = 0.80. The expectation is
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