The owner of a local bar specializing in alternative music wanted to determine the average age of his customers. He estimated a 25-year range from his youngest customer to his oldest customer. He wanted to be 95% confident in the results of the survey, and he did not want the error to exceed 9 months. 1. What sample size would you recommend?

The owner of a local bar specializing in alternative music wanted to determine the average age of his customers. He estimated a 25-year range from his youngest customer to his oldest customer. He wanted to be 95% confident in the results of the survey, and he did not want the error to exceed 9 months. 1. What sample size would you recommend?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 7CR

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