Assume that the number of left-handers is a binomial random, Ask an Expert

Statistics

The probability that an individual is left-handed is 0.13. (Hint: this is the small p for binomial distribution)

In a class of 70 students, (i.e. N = 70 in this case) what is the mean and standard deviation of the number of left-handers in the class?

Suppose that the number of left-handers is a binomial random variable. (Refer to the formula for mean and standard deviation for binomial prob. Distribution)

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