(1 point) A marketing research firm wishes to determine if the residents of Cald
ID: 3060561 • Letter: #
Question
(1 point) A marketing research firm wishes to determine if the residents of Caldwell, Idaho, would be interested in a new downtown restaurant. The firm selects a simple random sample of 170 phone numbers from the Caldwell phone book and calls each household. Only 32 of those called are willing to participate in the survey, and 22 participants would support a new downtown restaurant. (a) The chance that all 170 phone numbers chosen are located in one particular neighborhood in Caldwell is A. 170 divided by the size of the population of Caldwell. B. exactly O. Simple random sampling will spread out the locations of the phone numbers selected C. reasonably large due to the "cluster" effect. D. the same as for any other set of 170 phone numbers. E. None of the above. (b) The sample in this survey is A. all residents of Caldwell. B. the 32 households that participated in the study C.the 170 phone numbers chosen. D. all households in the Caldwell phone book E. None of the above. (c) The population of interest is A. the 32 households that participated in the study. B. all households in the Caldwell phone book. C. all residents of Caldwell. D. the 170 phone numbers chosen. E. None of the above.Explanation / Answer
Ans:
a)Option B is correct.
As,sinple random sampe is taken,so all locations will be equally likely to be selected.
b)Option B is correct.
32 people housholds that participated in the study.
c)Option B is correct.
all households in the Caldwell phone book.
(as sample is selected from the phone book)
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