In a survey, 39% of the respondents stated that they talk to their pets on the t

Question

In a survey, 39% of the respondents stated that they talk to their pets on the telephone. A veterinarian believed this result to be too high, so she randomly selected 210 pet owners and discovered that 78 of them spoke to their pet on the telephone. Does the veterinarian have a right to be skeptical? Use the ?=0.1 level of significance. Because npo 1-Po) = 50 > 10 the sample size is greater than 5% of the population size, and the sample requirements for testing the hypothesis are satisfie (Round to one decimal place as needed.) What are the null and alternative hypotheses? is given to be random, the greater than ess than Ho DO[0.39 versus HIDE Ho: p 0.39 versus H: p

Explanation / Answer

Solution

(a) Z = (p-p0)/((p0)(1-p0)/n)0.5 = (0.37 - 0.39)/((0.39)(0.61)/210))0.5 = -0.55

(b) P value = 0.291

(c) option (c)

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