Use the Following Information to Answer Questions

question 54

Multiple Choice

Use the following information to answer questions . Suppose that a recent poll of American households
about pet ownership found that for households with pets, 45% owned a dog, 34% owned a cat, and 10% owned a
bird. Suppose that three households are selected randomly and with replacement and the ownership is mutually
exclusive.
-What is the probability that at least two of the three randomly selected households own either a cat or a dog? (Round to the nearest hundredth)

• A)0.97
• B)0.89
• C)0.06
• D)0.94

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Definitions:

Test Value

A specific value used in hypothesis testing to compare against the statistic calculated from the sample data.

Chi-square Value

A statistical measure used to determine if a significant difference exists between the frequencies of observed and expected outcomes in one or more categories.

Respondents

Individuals who answer or respond to a survey or questionnaire.

Variable

A characteristic, number, or quantity that can be measured or quantified and can vary among subjects or over time.