SOLVE IF U A GENIUS
You’re about to get on a plane to Seattle. You want to know if it’s raining. You call 3 random friends who live there and ask each if it’s raining. Each friend has a 2/3 chance of telling you the truth and a 1/3 chance of messing with you by lying. All 3 friends tell you that “Yes” it is raining. What is the probability that it’s actually raining in Seattle?
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As each friend has 2/3 chances of telling the truth and all three say that it is raining in Seattle therefore the probability that it is actually raining in Seattle is 1. It is a sure event.
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Answer:
as all friends say that it is raining therefore, the probability that it is raining is 2/3 as every person tells that it is raining.
therefore we conclude it is raining 66.67% surely.
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