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Math Help - Probability Problem

  1. #1
    Yan
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    Probability Problem

    An insurance company pays hospital claims. The number of claims that include emergency room or operating room charges is 85% of the total number of claims. The number of claims that do not include emergency room charges is 25% of the total number of claims. The occurrence of emergency room charges is independent of the occurrence of operating room charges on hospital claims.
    Calculate the probability that a claim submitted to the insurance company includes operating room charges.



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  2. #2
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    Quote Originally Posted by Yan View Post
    An insurance company pays hospital claims. The number of claims that include emergency room or operating room charges is 85% of the total number of claims. The number of claims that do not include emergency room charges is 25% of the total number of claims. The occurrence of emergency room charges is independent of the occurrence of operating room charges on hospital claims.
    Calculate the probability that a claim submitted to the insurance company includes operating room charges.
    Please show all your work!
    Why have you shown no work at all?
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