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Class 12
Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

There are three coins, one is a two headed coin (having head on both the faces), another is a biased coin that comes up heads 75% of the time and the third is an unbiased coin. One of the three coins is chosen at random and tossed. If It shows head. What is probability that it was the two headed coin ?

This question is exactly same as Ex 13.3, 6

Please check solution and video here

https://www.teachoo.com/4100/765/Ex-13.3--6---There-are-three-coins.-One-is-two-headed-coin/category/Ex-13.3/


Transcript

Question 31 (OR 2nd Question) There are three coins, one is a two headed coin (having head on both the faces), another is a biased coin that comes up heads 75% of the time and the third is an unbiased coin. One of the three coins is chosen at random and tossed. If It shows head. What is probability that it was the two headed coin ?

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.