Mathematics, 15.11.2019 01:31 dianaskye9081
Assume that the helium porosity (in percentage) of coal samples taken from any particular seam is normally distributed with true standard deviation 0.79. (a) compute a 95% ci for the true average porosity of a certain seam if the average porosity for 22 specimens from the seam was 4.85. (round your answers to two decimal places.)
Answers: 2
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Assume that the helium porosity (in percentage) of coal samples taken from any particular seam is no...
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