The probability that an individual is left-handed is 0.18. In a class of 80 students, what is the mean and standard deviation of the number of left-handers in class? a) mean: 14.4, standard deviation:...

The probability that an individual is left-handed is 0.18. In a class of 80 students, what is the mean and standard deviation of the number of left-handers in class?

a) mean: 14.4, standard deviation: 3.79

b) mean: 80, standard deviation 3.44