A Veterinarian Wants to Know If Pit Bulls or Golden

question 76

Multiple Choice

A veterinarian wants to know if pit bulls or golden retrievers have a higher incidence of tooth decay at the age of three. The vet surveys 120 three-year-old pit bulls and finds 30 of them have tooth decay. The vet then surveys 160 three-year-old golden retrievers and finds 32 of them have tooth decay. Number the population of pit bulls and golden retrievers by 1 and 2, respectively. Calculate a 90% confidence interval for the difference in the population proportion of pit bulls and golden retrievers that have tooth decay. Which of the following is correct?

• A) [-0.0492, 0.1492]
• B) [-0.0332, 0.1332]
• C) [0.0199. 0.0801]
• D) [0.0428, 0.0572]

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Definitions:

Food Poisoning

An illness caused by consuming contaminated food, often with bacteria, viruses, or other pathogens.

Medical Provider

A healthcare professional or organization that delivers medical services to patients.

Account Type

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Credit Card

A plastic card issued by a financial institution, allowing the cardholder to borrow funds for purchases or cash advances with the promise to repay back over time.