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Math Help - Probability

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    Post Probability

    A pond has 50 fish in total: 25 catfish, 10 trout, and 15 bass.

    a.) What is the probability of catching 3 trout?


    b.) What is the probability of catching the 3 types of fish in alphabetical order?
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  2. #2
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    Quote Originally Posted by baseball_girl View Post
    A pond has 50 fish in total: 25 catfish, 10 trout, and 15 bass.

    a.) What is the probability of catching 3 trout?


    b.) What is the probability of catching the 3 types of fish in alphabetical order?
    a) \frac{10}{50} \cdot \frac{9}{49} \cdot \frac{8}{48}


    b) \frac{25}{50} \cdot \frac{15}{49} \cdot \frac{10}{48}


    A tree diagram will make this clearer if you don't see why.
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