HW-3-: A hall with measured length equal to (40m) and measured width equal to (30m), the standard deviation (for only one measurement) for both the length and width was equal and found to be (+0.02m). The standard deviation of the mean for both the length and width was equal as well. Calculate how many times the length and width must be measured to get (oA = +0.5 m2).

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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HW-3-: A hall with measured length equal to (40m) and measured width equal to
(30m), the standard deviation (for only one measurement) for both the length and
width was equal and found to be (+0.02m). The standard deviation of the mean for
both the length and width was equal as well. Calculate how many times the length
and width must be measured to get (oA = ±0.5 m²).
%3D
Transcribed Image Text:HW-3-: A hall with measured length equal to (40m) and measured width equal to (30m), the standard deviation (for only one measurement) for both the length and width was equal and found to be (+0.02m). The standard deviation of the mean for both the length and width was equal as well. Calculate how many times the length and width must be measured to get (oA = ±0.5 m²). %3D
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