SOLUTION: there are 12 runners in mountain and all have equal chance of winning what is the probability that a person may win a bet on the race if he has to correctly select top 3 runners an

Question 1192387: there are 12 runners in mountain and all have equal chance of winning what is the probability that a person may win a bet on the race if he has to correctly select top 3 runners and the order they finish in?
Answer by ikleyn(52855) (Show Source): You can put this solution on YOUR website!
.


There are 12*11*10 winning ordered sequences of 3 runners out 12 runners.


    12*11*10 = 1310 winning ordered sequences.



Of them, only one sequence really wins, so the probability to guess correctly is


    P =  = 0.000758.    ANSWER

Solved.

RELATED QUESTIONS
Four runners are competing for a gold medal in 400 meters hurdles. Runner B is twice as... (answered by stanbon)

If i have a 1 in 35.1 chance of winning off one powerball ticket. What is the probability (answered by stanbon)

The probability of an event is defined as the likelihood that it will happen, and gives... (answered by greenestamps)

Suppose that 2000 people are all playing a game for which the chance of winning is 48%. (answered by edjones)

three candidates are contesting in an election. candidates a and b have same chanes of... (answered by stanbon)

In a certain lottery game, 54 numbers are randomly mixed and 6 are selected. A person... (answered by drk)

I have a question which relates to odds. I went to Alton Towers the other day and when... (answered by stanbon)

There are two horseraces a horse in the first race statisticly has a 66% chance of... (answered by robertb,stanbon)

Three person are contesting elections from Same consistuency. Mr. X and Mr. Y have same... (answered by ikleyn)