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The probability that birthday of six …

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The probability that birthday of six different persons will fall in exactly two calendar months is

    • Posted by Ayansh Kharya 2 years, 9 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Megha Desai 2 years, 9 months ago

    No. Of possible months of a single person =12 Possible ways for 6 people = 12^6 Birthday falls in two calendar months=(choose 2 months from 12 months & put all 6 persons into any of the month - the case when all 6 people get into single month) 12C2 (2^6 -1) Therefore required probability is 12C2 (2^6 -1)/12^6

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