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Mathematics, 21.11.2019 22:31 jaymee2904p88tgh
Soil ph is an important variable in the design of structures that will contact the soil. nine test samples of soil from a potential construction site gave readings of
7.3 6.5 6.4 6.1 6.0 6.5 6.2 5.8 6.7
assuming that soil ph is normally distributed, find the 90% lower confidence bound for the true average soil ph at the site.
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Soil ph is an important variable in the design of structures that will contact the soil. nine test s...
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