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There is a group of 20 …

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There is a group of 20 person who are rich,out of these 5 are helpful to poor family .three person are selected at random ,write the probability distribution for the selected person who are helpful to poor people .also,find the mean of distribution

    • Posted by Rohit Dhankhar 5 years, 9 months ago

    CBSE > Class 12 > Mathematics
    • 0 answers
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