Mathematics, 02.10.2019 01:00 4300224102
The american veterinary association claims that the annual cost of medical care for dogs averages $100 with a standard deviation of $30. the cost for cats averages $120 with a standard deviation of $35. some basic algebraic and statistical steps show us that the average of the difference in the cost of medical care for dogs and cats is then $100 – $120 = –$20. the standard deviation of that same difference equals $46. if the difference in costs follows a normal distribution, what is the probability that the cost for someone's dog is higher than for the cat? group of answer choices
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