As a manufacturer of golf equipment, the Spalding Corporation wants to estimate the proportion of golfers who are left-handed. a. How many golfers must be surveyed if we want to be 99% confident that the sample proportion is within 0.025 of the actual value? b. Ifa prior study indicates that 15% of golfers are left-handed, how many golfers must be surveyed if we want to be 99% confident that the sample proportion is within 0.025 of the actual value?
As a manufacturer of golf equipment, the Spalding Corporation wants to estimate the proportion of golfers who are left-handed. a. How many golfers must be surveyed if we want to be 99% confident that the sample proportion is within 0.025 of the actual value? b. Ifa prior study indicates that 15% of golfers are left-handed, how many golfers must be surveyed if we want to be 99% confident that the sample proportion is within 0.025 of the actual value?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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