You want to estimate the average weight in tons of loads carried by trucks through a particular stretch of road. From previous information the standard deviation is expected to be o=17.15 tons. How many trucks must be weighed to estimate the the tons per truck to within 5 tons at a 90% level of confidence. Round your answer up to the largest whole number. n = trucks

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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You want to estimate the average weight in
tons of loads carried by trucks through a
particular stretch of road. From previous
information the standard deviation is
expected to be o=17.15 tons. How many
trucks must be weighed to estimate the the
tons per truck to within 5 tons at a 90% level
of confidence. Round your answer up to the
largest whole number.
n =
trucks
Transcribed Image Text:You want to estimate the average weight in tons of loads carried by trucks through a particular stretch of road. From previous information the standard deviation is expected to be o=17.15 tons. How many trucks must be weighed to estimate the the tons per truck to within 5 tons at a 90% level of confidence. Round your answer up to the largest whole number. n = trucks
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