0 votes 0 votes A and B play a game where each is asked to select a number from 1 to 25 .If two numbers match ,both of the win a prize .the probability that they will not win a prize in a single trail is. Shashank Kumar Mishr asked Mar 15, 2017 Shashank Kumar Mishr 546 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 1 votes 1 votes The first person can choose any number from 1 to 25, the second person has to chose that number only. $Prob(Winning) = \frac{1}{25}$ $Prob(Loosing) = 1-\frac{1}{25}$ $ = \frac{24}{25}$ sandeep007734 answered Mar 15, 2017 selected Mar 15, 2017 by Shashank Kumar Mishr sandeep007734 comment Share Follow See all 2 Comments See all 2 2 Comments reply Shashank Kumar Mishr commented Mar 15, 2017 reply Follow Share why u r considering probability of b as 1.? 0 votes 0 votes sandeep007734 commented Mar 16, 2017 reply Follow Share Probability of b? As there are only two possible scenarios. winning or loosing then, $Prob(Winning)\text{ + }Prob(Loosing)\text{ = 1}$, as per the law of probability. 0 votes 0 votes Please log in or register to add a comment.