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Math Help - Need help on probability question

  1. #1
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    Need help on probability question

    A binary source generates digits 1 and 0 randomly with equal probability. Assign probailities to following events
    In ten digits generated by source
    a) there are two 1s and eight 0s
    b) there are atleast four 0's

    Thanks in advance
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by crane_2001 View Post
    A binary source generates digits 1 and 0 randomly with equal probability. Assign probailities to following events
    In ten digits generated by source
    a) there are two 1s and eight 0s
    b) there are atleast four 0's

    Thanks in advance
    The number of 1 in 10 digits has a binomial distribution B(10,0.5)

    RonL
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