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    Question

    If 'Head' appears consecutively in the first three

    tosses of a fair/unbiased coin, what is the probability of 'Head' appearing in the fourth toss also?
    A 1/8 Correct Answer Incorrect Answer
    B 7/8 Correct Answer Incorrect Answer
    C 1/16 Correct Answer Incorrect Answer
    D 1/2 Correct Answer Incorrect Answer

    Solution

    ATQ, 'Head' appears consecutively in the first three tosses of a fair/unbiased coin, Probability = number of favorable outcomes/total number of outcome As each time the coin is tossed is the independent event When a coin is tossed the possibility of getting is either head or tail Probability of getting 'Head' in the fourth toss = 1/2

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