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Math Help - please i need help with this probability distribution question.

  1. #1
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    please i need help with this probability distribution question.

    Hi everyone I am having trouble with this question...

    Increased research and discussion have focused on the number of illnesses involving the organism Escherichia coli (01257:H7), which causes a breakdown of red blood cells and intestinal haemorrhages in it's victims 5 According to the Center For Disease Control, an estimated 73,000 Cases of E Coli infection and 61 Deaths occur in the US each year. A 2006 outbreak traced to wild pigs, who spread the bacteria into a spinach field in california, sickened 204 people in 26 states and 1 Canadian Province.6Outbreaks have occurred at a rate of 2.5 per 100,000. let us suppose this rate has not changed .

    A) What is the probability that at most cases of ecoli per 100,000 are reported in california
    this year ?


    B) What is the probability that more than five cases of ecoli are reported this year ?

    C) Approximately 95% of occurences of E coli involve at most how many cases. ?
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  2. #2
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    Joined
    Apr 2010
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    I am also having a problem with the same question

    I need an Answer and clarification

    Desperate

    For C I think

    According to the Center For Disease Control, an estimated 73,000 Cases of E Coli infection and 61 Deaths occur in the US each year.

    Then i guessed that 95% of the cases are 95% of the 73,000 cases or is it referring to outbreaks.
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