Please answer A, B, C, D, and E

Assume that 15% of people are left-handed. Suppose 10 people are selected at random. Answer each question about right-handers below. a) Find the mean and standard deviation of the number of right-handers in the group. right-handers right-handers (Round to two decimal places as needed.) b) What's the probability that they're not all right-handed? (Round to three decimal places as needed.) c) What's the probability that there are no more than 9 righties? (Round to three decimal places as needed.) d) What's the probability that there are exactly 5 of each? (Round to five decimal places as needed.) e) What's the probability that the majority is right-handed? (Round to three decimal places as needed.)