26. Right- or Left-Handed A researcher classified his subjects as right-handed or left-handed by comparing thumbnail widths.
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26. Right- or Left-Handed A researcher classified his subjects as right-handed or left-handed by comparing thumbnail widths. He took a sample of 400 men and found that 80 men could be classified as left-handed according to his criterion. Estimate the proportion of all males in the population who would test to be lefthanded using a 95% confidence interval.
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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