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Crossett Trucking Company claims that the mean weight of its delivery trucks when they are fully...

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Question

Statistics

Crossett Trucking Company claims that the mean weight of itsdelivery trucks when they are fully loaded is 5,300 pounds and thestandard deviation is 170 pounds. Assume that the populationfollows the normal distribution. Thirty trucks are randomlyselected and weighed.

Within what limits will 99 percent of the sample means occur?(Round your z-value to 2 decimal places and final answersto 1 decimal place.)

Sample means ____ to _____

Answer & Explanation Solved by verified expert
4.4 Ratings (619 Votes)
Given thatmean 5300standard deviation 170 5300 n 170 30    See Answer
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