Consider each situation described below. Identify the population and the sample, explain what p and pn represent,
Question:
Consider each situation described below. 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 large company with 10,000 employees at its main research site is considering moving its day-care centre off-site to save money. Human Resources gathers employees’ opinions by sending a questionnaire home with all employees; 380 surveys are returned, with 228 employees in favour of the change.
b) A company sold 1632 MP3 players last month, and within a week, 1388 of the customers had registered their products online at the company website. The company wants to estimate the percentage of all its customers who enrol their products.
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a Population x employees at the company sample x 380employees who returned sur...View the full answer
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Related Book For 
Business Statistics
ISBN: 9780133899122
3rd Canadian Edition
Authors: Norean D. Sharpe, Richard D. De Veaux, Paul F. Velleman, David Wright
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