Pets The American Veterinary Association claims that theannual cost of medical care for dogs averages $100, witha standard deviation of $30, and for cats averages $120,with a standard deviation of $35.a) What’s the expected difference in the cost of medicalcare for dogs and cats?b) What’s the standard deviation of that difference?c) If the costs can be described by Normal models,what’s the probability that medical expenses are higherfor someone’s dog than for her cat?d) What concerns do you have?
Pets The American Veterinary Association claims that theannual cost of medical care for dogs averages $100, witha standard deviation of $30, and for cats averages $120,with a standard deviation of $35.a) What’s the expected difference in the cost of medicalcare for dogs and cats?b) What’s the standard deviation of that difference?c) If the costs can be described by Normal models,what’s the probability that medical expenses are higherfor someone’s dog than for her cat?d) What concerns do you have?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Pets 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 difference in the cost of medical
care for dogs and cats?
b) What’s the standard deviation of that difference?
c) If the costs can be described by Normal models,
what’s the probability that medical expenses are higher
for someone’s dog than for her cat?
d) What concerns do you have?
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