A sociologist wishes to estimate the average number of automobile thefts in a large city per day
Question:
A sociologist wishes to estimate the average number of automobile thefts in a large city per day within 2 automobiles. He wishes to be \(99 \%\) confident, and from a previous study the standard deviation was found to be 4.2. How many days should he select to survey?
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Since alpha001 or 1099 zalpha 2258 and E2 Substitute in the formula nleftfraczalpha 2 ...View the full answer
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Related Book For 
Elementary Statistics A Step By Step Approach
ISBN: 9781260360653
11th Edition
Authors: Allan Bluman
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