(a) 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
. Find the probability that in 30 years
(i) All men will be alive
(ii) At least 3men will be alive
(iii) Only two men will be alive
(iv) At least 1 man will be alive
(b) The following table contains the probability distribution of the number of daily traffic
accidents in a small city.