More conditions Consider each situation described. Identify the population and the
Chapter 18, Problem 4(choose chapter or problem)
More conditions Consider each situation described. Identify the population and the sample, explain what p and pn represent, and tell whether the methods of this chapter can be used to create a confidence interval. a) A consumer group hoping to assess customer experiences with auto dealers surveys 167 people who recently bought new cars; 3% of them expressed dissatisfaction with the salesperson. b) What percent of college students have cell phones? 2883 students were asked as they entered a football stadium, and 243 said they had phones with them. c) 240 potato plants in a field in Maine are randomly checked, and only 7 show signs of blight. How severe is the blight problem for the U.S. potato industry? d) 12 of the 309 employees of a small company suffered an injury on the job last year. What can the company expect in future years?
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