A Study of Cats and Dogs Found That 25 of 50

question 27

Multiple Choice

A study of cats and dogs found that 25 of 50 cats and 44 of 60 dogs slept more than 10 hours per day.At the .05 level of significance, is there sufficient evidence to conclude that a difference exists between the
Proportion of cats and the proportion of dogs that sleep more than 10 hours per day?

• A)Yes, there is sufficient information to reject the hypothesis that the proportion of cats and the proportion
• Of dogs that sleep more than 10 hours per day are the same because the test value -2.52 is outside the
• Acceptance region (-1.96,1.96).
• B)No, there is not sufficient information to reject the hypothesis that the proportion of cats and the
• Proportion of dogs that sleep more than 10 hours per day are the same because the test value -1.64 is
• Inside the acceptance region (-1.96,1.96).
• C)Yes, there is sufficient information to reject the hypothesis that the proportion of cats and the proportion
• Of dogs that sleep more than 10 hours per day are the same because the test value -2.90 is outside the
• Acceptance region (-1.96,1.96).
• D)No, there is not sufficient information to reject the hypothesis that the proportion of cats and the
• Proportion of dogs that sleep more than 10 hours per day are the same because the test value -0.77 is
• Inside the acceptance region (-1.96,1.96).

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Definitions:

Respiratory Systems

The set of organs responsible for gas exchange between the blood and external environment, primarily facilitating breathing and oxygenation of the blood.

Brain Cells

Specialized cells in the brain that are responsible for processing information, including neurons and glial cells.

Toxin

A poisonous substance produced within living cells or organisms; can be harmful or fatal if absorbed by the body.

Prenatal Development

The stage of human development that occurs from conception until birth, encompassing physical, cognitive, and emotional changes in the embryo and fetus.