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Question: Suppose a tobacco company is planning to fund a telephone survey of attitudes about banning smoking in restaurants. In each of the following phases of the survey, should the company disclose who is funding the study? Explain your answer in each case.
a. When respondents answer the phone, before they are interviewed.
b. When the survey results are reported in the news.
c. When the interviewers are trained and told how to conduct the interviews.
Explain how both sides might be correct, identifying the measure of center you think each side is using and why the difference might exist.
Find the equation of the regression line. What is the predicted value when x = 4? Is the correlation significant at 5% significance level (95% confidence level)? Why or why not?
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Should that tragedy happen, the company will have to pay $15000. The company charges my father $1000 for the insurance policy. What is the expected value of this policy to my father?
a radio manufacturer claims that 65 of teenagers 13 to 16 years old have their own portable radios. a researcher wishes
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Supposing that the entire $10,000 can be spent on tires (ignoring other costs), and that the true fraction that will fail is approximately .05, can NHTSA attain its goal while staying within the budget? Describe.
An airline has noticed that 40% of its customers who buy tickets don't take advantage of advance-purchase fares and the remaining 60% do.
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