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
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?
Step by Step Solution
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Step: 1
To calculate the probability that a truck will weigh less than 143 tons we can use the standard norm...
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Understandable Statistics Concepts And Methods
Authors: Charles Henry Brase, Corrinne Pellillo Brase
12th Edition
1337119911, 978-1337517508, 133751750X, 978-1337119917
