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    the probability of having atleast one tail in 4 throw s with a coin,is

    V Bhanu prasad 17th Oct, 2019
    Answer
    Answer (1)
    Ronak Gala Student Expert 18th Oct, 2019

    P(atleast 1 tail ) =  1 - P( no tail )

    = 1−(1/2)*4=15/16


    Explanation -
    Total Occurrences = 2*2*2*2 = 16.

    Probability of getting only heads is 1/16 so automatically probability of getting tails in 4 tosses of a coin becomes 15/16.

    Practice more problems from this chapter as this is a chapter from where the questions are sure short asked in the entrance exams like MHT CET OR JEE MAINS.

    BEST WISHES. THANKYOU.

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