An insurance salesman sells policies to 5 men, all of identical age in good health. according to the actuarial tables, the probability that a man of this particular age will be alive 30years hence is 2/3, find the probability that in 30 years,

a) all men will be alive

b) at least 3 men will be alive

c) only 2 men will be alive

d) at least 1 man will be alive,

2)

the average number of claims per hour made to the state insurance company for damages or losses incurred in moving is 3, what is the probability that in any given hour,

a) fewer than three claims will be made

b) exactly three claims will be made

c) three or more claims will be made

d) more than three claims will be made