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    Shanice28433's Avatar
    Shanice28433 Posts: 1, Reputation: 1
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    Jul 9, 2010, 04:51 PM
    A biologist estimates that 60% of deer in the region carry a certain type of tick.
    A biologist estimates that 60% of deer in the region carry a certain type of tick. For a sample of 300 deer selectetd at random, what is the chance that 186 or fewer deer have this tick?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Jul 10, 2010, 04:28 AM

    Go to this site:

    Binomial Calculator

    For n, enter 300; p=.6
    Prob X is 'at most' 186
    Click compute. Your solution is given.
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