A coin is biased so that the head is 3 t...

A coin is biased so that the head is 3 times as likely to occur as tail. If the coin is tossed twice, find the probability distribution of number of tails.

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A coin is biased so that the head is 3 times as likely to occur as tail. If the coin is﻿ tossed twice, find the probability distribution of number of tails.﻿

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A coin is biased so that the head is 3 times as likely to occur as tail. If the coin is tossed twice, find the probability distribution of number of tails.