Assume that 87.2% of people are right-handed. If we select 10 people at random, find each of the following: a) mean number of right-handers in the group?
(Round to two decimal places as needed)
b) standard deviation of the number of right-handers in the group?
(Round to two decimal places as needed)
c) probability that they're not all right handed?
(Round to five decimal places as needed)
d) probability that there are no more than 8 right handers?
(Round to five decimal places as needed)
e) probability that less than 4 are right handers?
(Round to five decimal places as needed)
f) probability that the majority is right-handed?