a letter is known to have come from either TATA NAGAR or CALCUTTA on the envelope just two consecutive letters TA are visible, what is the probability that the letter has come from 1. CALCUTTA 2. TATA NAGAR........
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the probability of getting TA letters in tatanaga is 1/2
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Answer:
Step-by-step explanation:
Actually this is a question of Bayesian probability.
Consider the priori probability be 1/2.One thing to note is that both are mutually exclusive events.
Finding posteriori probability is done by making set of possible combinations.
Like in Calcutta CA AL LC.....TA
P(A/e1)=1/8
Applying Bayes theorem
And you will get 4/11
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