A newspaper reported that 60% of people say that some coffee shops are overprice

Question

A newspaper reported that 60% of people say that some coffee shops are overpriced. The source of this information was a telephone survey of 40 adults a. Identify the population of interest in this study. b. Identify the sample for the study. c. Identify the parameter of interest in the study. d. Find and interpret a 95% confidence interval for the parameter of interest. a. Identify the population of interest. Choose the correct answer below. O coffee shops O 40 adults O adults O O O newspapers a telephone survey 60% of adults

Explanation / Answer

(Note: Four questions are given at the top and only one with choices at the bottom. This question answers only the first since the options for the others are not given. However possible answers to two others are given at the end.)

a. Please note that the population is all the people.

So the answer is:

The population of interest is adults.

(In case the other answers need to be known, the probable answers are the sample is 40 adults and the parameter of interest is whether people think coffee shops are overpriced. No options are given for d.)

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