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A Study of Cats and Dogs Found That 25 of 50

Question 73

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 isInside 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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