5 horses are in a race. Mr.Jain selects two of horses at random and bets on them. Probability that he selected the winning horse is,

• There are 5 horses.
  Probability of wining one horse is = 1/5.
  Probability of wining 2 selected horses= (1/5)+(1/5)= 2/5.
  Answer is 2/5.
• 10 years agoHelpfull: Yes(4) No(0)
• Total Sample Space= 5
  Mr. jain chooses 2 horses out of which 1 is the winning horse i.e event 2C1
  probility =2C1/5=2/5
• 10 years agoHelpfull: Yes(1) No(0)
• there r five horses from which select two horses random =5c2
  from this select two horses probability is =2c1/5c2=1/5,
  for winning one horse probability is =2*1/5=2/5.
  
• 10 years agoHelpfull: Yes(0) No(0)