The Weight of Trucks Traveling on a Particular Section of I-475

question 52

Multiple Choice

The weight of trucks traveling on a particular section of I-475 has a population mean of 15.8 tons and a population standard deviation of 4.2 tons. What is the probability a state highway inspector could select a sample of 49 trucks and find the sample mean to be 14.3 tons or less?

• A)0.0062
• B)0.3632
• C)0.1368
• D)0.4938

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