sir in the next video when we are calculating the probability of getting two consicutive heads, in the first case of tails occurs first the relation is 1/2(x+1) but it is only for one head how it is valid for two heads
Mathematical expectation
Sir said assuming you get 1H and 1T in first try, and you need x more trials to get 2 consecutive heads, then the total number of trials = 1+x
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