Mathematics, 30.03.2020 20:27 Maaarii
The American Veterinary Association claims that the annual cost X of medical care for a cat is a random variable with expected value E(X) = $125 and standard deviation SD(X) = $30, and that the annual medical cost Y for a dog has expected value E(Y) = $100 and standard deviation SD(Y) = $25. Assume that medical costs for different dogs and cats are independent. Question 1. How much more in medical costs do you expect to pay for the cat than for the dog?
Answers: 3
Mathematics, 21.06.2019 13:50
Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.
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Mathematics, 21.06.2019 20:00
Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2
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Mathematics, 22.06.2019 02:00
Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?
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The American Veterinary Association claims that the annual cost X of medical care for a cat is a ran...
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