Before a race the chance of three runners, A, B, C were estimated to be proportional to 5, 3, 2, but during the race A meets with an accident which reduces his chance to 1/3. What are the respective chance of B and C now ?

A,B,C are three horses in a race. The probability of A to win the race is twice that of B and probability of B is twice that of C. What are the probability of A,B and C to win the race?

The chance of an accident in three factories A, B, C in a is 5 in 25, 6 in 36 and 8 in 64 respectively. Find the chances that an accident may happen in (i) at least one of them (ii) all of them. year

The chance of an accident in three factories A, B, C in a year is 5 in 25, 6 in 36 and 8 in 64 respectively. Find the chances that an accident may happen in (i) at least one of them (ii) all of them.

In a horse -race, the probabilities to win the race for three horses A,B and C are 1/4,1/5 and 1/6 respectively. Find the probability to win the race of any one horse.

In a horse -race, the probabilities to win the race for three horses A,B and C are 1/4,1/5 and 1/6 respectively. Find the probability to win the race of any one horse.

Of three independent events, the chance that only the first occurs, is a , the chance that only the second occurs if b , and the chance of only the third is cdot Show that the chances of three events are, respectively, a//(a+x),b//(b+x),c//(c+x)=x^2

19. A is one of 6 horses entered for a race, and is to be ridden by one of two jockeys B and C. It is 2 to 1 that B rides A, in whic case all the horses are equally likely to win; if C rides A, his chance is trebled what are the odds against his winning

Three persons A,B and C apply for a job of manager in a private company. Chances of their selection are in the ratio 1:2:4. The probabilities that A,B and C can introduce changes to improve profits of the company are 0.8, 0.5 and 0.3 respectively. If the change does not take place, find the probability that it is due to appointment of C.

The chance of winning the race of the horse A is 1/5 and that of horse B is 1/6. What is the probability that the race will be won by A or B ?