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the american veterinary association claims that the annual cost of medical care for dogs...
Mathematics, 30.11.2019 22:31 trinityparker
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the american veterinary association claims that the annual cost of medical care for dogs averages $100, with a standard deviation of $30, and for cats averages $120, with a standard deviation of $35.
a. what's the expected sum in the cost of medical care for dogs and cats?
b. what's the standard deviation of that sum?
Answers: 3
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