Question: In a survey conducted by Opinion Research Corporation randomly selected
In a survey conducted by Opinion Research Corporation, randomly selected adults were asked what is inappropriate in the workplace. Among 1000 responses, 55% said that it is inappropriate to wear shorts. Use the sample results to construct a 95% confidence interval estimate of the proportion of the adult population believing that it is inappropriate to wear shorts at work. Based on the result, does it appear that the majority of adults believe that it is not appropriate to wear shorts at work?
Answer to relevant QuestionsWhat is a voluntary response sample, and why is such a sample generally not suitable for a statistical study? In a Harris poll of 2302 adults, 14% said that they have a tattoo. a. What is the exact value that is 14% of 2302? b. Could the result from part (a) be actual number of adults who said that they have a tattoo? Why or why ...Based on the results in Exercise 1, assume that there is a 0.55 probability of randomly selecting an adult and getting someone who believes that it is inappropriate to wear shorts at work. a. What is the probability of ...What is the difference between a voluntary response sample and a simple random sample? Which is generally better for the use of statistical methods? Treat the 10 measurements from each decade as a sample and construct an x chart. What does the result suggest? Refer to the following annual temperatures (°C) of the earth for each of the past 50 years. The last two columns ...
Post your question