In a sample of 900 gas stations, the mean price of regular gasoline at the pump was
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In a sample of 900 gas stations, the mean price of regular gasoline at the pump was $3.746 per gallon and the standard deviation was $0.009 per gallon. A random sample of size 55 is selected from this population. What is the probability that the mean price per gallon is less than $3.742?
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Use the finite correction factor b...View the full answer
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Related Book For 
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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