Question
what is the probability that at least one of them
narrates an incident truthfully.Solution
Probability of speaks truth Harsh Yash and Jeet - Harsh=3/4 Raj =4/5 Jeet =3/5 Total cases of speaks truth = (3,2,1,0) Total cases of at least one speaks truth=1-P (not speaks truth) =1-(1/4×1/5×2/5) =98/100 =49/50
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