Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN: 9780079039897
Author: Carter
Publisher: McGraw Hill
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In a survey, 45% 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 240
pet owners and discovered that 104 of them spoke to their pet on the telephone. Does the veterinarian have a right to be skeptical? Use the a = 0.01 level of
significance.
Но: р
0.45 versus H: p
< 0.45
(Type integers or decimals. Do not round.)
Find the test statistic, zn-
zn = - 0.52 (Round to two decimal places as needed.)
Find the P-value.
P-value = 0,302 (Round to three decimal places as needed.)
Does the veterinarian have a right to be skeptical?
O 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 45%.
O B. 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 45%.
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 45%.
O D. 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 45%.
Cliels
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Transcribed Image Text:In a survey, 45% 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 240 pet owners and discovered that 104 of them spoke to their pet on the telephone. Does the veterinarian have a right to be skeptical? Use the a = 0.01 level of significance. Но: р 0.45 versus H: p < 0.45 (Type integers or decimals. Do not round.) Find the test statistic, zn- zn = - 0.52 (Round to two decimal places as needed.) Find the P-value. P-value = 0,302 (Round to three decimal places as needed.) Does the veterinarian have a right to be skeptical? O 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 45%. O B. 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 45%. 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 45%. O D. 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 45%. Cliels
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