A state highway inspector needs an estimate of the mean weight of trucks. He selects a random
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Question:
A state highway inspector needs an estimate of the mean weight of trucks. He selects a random sample of 49 trucks passing the weighing station and finds the mean is 15.8 tons, with a standard deviation of the sample of 4.2 tons. What is probability that a truck will weigh less than 14.3 tons?
Related Book For
Understandable Statistics Concepts And Methods
ISBN: 9781337119917
12th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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