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A has 3 shares in a lottery contain 3 prizes and 9 blanks & B has 2 shares in a lottery contain 2 prizes & 6 blanks Compare chances of winning ?

A has 3 shares in a lottery contain 3 prizes and 9 blanks & B has 2 shares in a lottery contain 2 prizes & 6 blanks Compare chances of winning ?


 

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear Mayank

probability for A to loss = 9C3 /12C3

probability for A to win  = 1 - 9C3 /12C3  =1 -84/220  =136/220

 

probability for B to loss = 6C2 /8C2

probability for A to win  = 1 - 6C2 /8C2  =1 -15/28  =13/28

 

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