In a survey, 34% of the respondents stated that they talk to their pets on the telephone. A veterinarian believed this result to be too high, so he randomly selected 210 pet owners and discovered that 70 of them spoke to their pet on the telephone. Does the veterinarian have a right to be skeptical? Use the a = 0.05 level of significance. Click here to view the standard normal distribution table (page 1). Click here view the standard normal distribution table (page 2). Because npo (1-pPo) =D 10, the sample size is (Round to one decimal place as needed.) v 5% of the population size, and the sample v the requirements for testing the hypothesis v satisfied. What are the null and alternative hypotheses? Ho V versus H, (Type integers or decimals. Do not round.) Determine the test statistic, Zo Zo = (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. tZa/2 = O B. Za = Does the veterinarian have a right to be skeptical? O A. The veterinarian has a right to be skeptical. There is sufficient evidence conclude that the true proportion of pet owners who talk to their pets on the telephone is not 34%. O B. The veterinarian does not have a right to be skeptical, There is not sufficient evidence to conclude that the true proportion of pet owners who talk to their pets on the telephone is 34%. O C. The veterinarian does not have a right to be skeptical. There is not sufficient evidence to conclude that the true proportion of pet owners who talk to their pets on the telephone is less than 34%. O D. The veterinarian has a right to be skeptical. There is sufficient evidence conclude that the true proportion of pet owners who talk to their pets on the telephone is less than 34%.
In a survey, 34% of the respondents stated that they talk to their pets on the telephone. A veterinarian believed this result to be too high, so he randomly selected 210 pet owners and discovered that 70 of them spoke to their pet on the telephone. Does the veterinarian have a right to be skeptical? Use the a = 0.05 level of significance. Click here to view the standard normal distribution table (page 1). Click here view the standard normal distribution table (page 2). Because npo (1-pPo) =D 10, the sample size is (Round to one decimal place as needed.) v 5% of the population size, and the sample v the requirements for testing the hypothesis v satisfied. What are the null and alternative hypotheses? Ho V versus H, (Type integers or decimals. Do not round.) Determine the test statistic, Zo Zo = (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. tZa/2 = O B. Za = Does the veterinarian have a right to be skeptical? O A. The veterinarian has a right to be skeptical. There is sufficient evidence conclude that the true proportion of pet owners who talk to their pets on the telephone is not 34%. O B. The veterinarian does not have a right to be skeptical, There is not sufficient evidence to conclude that the true proportion of pet owners who talk to their pets on the telephone is 34%. O C. The veterinarian does not have a right to be skeptical. There is not sufficient evidence to conclude that the true proportion of pet owners who talk to their pets on the telephone is less than 34%. O D. The veterinarian has a right to be skeptical. There is sufficient evidence conclude that the true proportion of pet owners who talk to their pets on the telephone is less than 34%.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Transcribed Image Text:In a survey, 34% of the respondents stated that they talk to their pets on the telephone. A veterinarian believed this result to be too high, so he randomly selected 210 pet owners and discovered that 70 of them spoke to their pet on the telephone. Does the
veterinarian have a right to be skeptical? Use the a = 0.05 level of significance.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
Because npo (1- Po):
V 10, the sample size is
V 5% of the population size, and the sample
the requirements for testing the hypothesis
satisfied.
(Round to one decimal place as needed.)
What are the null and alternative hypotheses?
versus H:
Ho:
(Type integers or decimals. Do not round.)
Determine the test statistic, Zo
Z0 = (Round to two decimal places as needed.)
Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice.
(Round to two decimal places as needed.)
O A. tZa/2 = +
O B. Za =
Does the veterinarian have a right to be skeptical?
A. The veterinarian has a right to be skeptical. There is sufficient evidence to conclude that the true proportion of pet owners who talk to their pets on the telephone is not 34%.
B. The veterinarian does not have a right to be skeptical. There is not sufficient evidence to conclude that the true proportion of pet owners who talk to their pets on the telephone is 34%.
C. The veterinarian does not have a right to be skeptical. There is not sufficient evidence to conclude that the true proportion of pet owners who talk to their pets on the telephone is less than 34%.
D. The veterinarian has a right to be skeptical. There is sufficient evidence to conclude that the true proportion of pet owners who talk to their pets on the telephone is less than 34%.
O O
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