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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. For cats it averages $120 with a standard deviation of $35.

What is the expected difference in the cost of medical care for dogs and cats?

A) $ -20

B) $20

C) $-5

D) $5

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M91004958

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