90. Solving a chemistry problem
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90. Solving a chemistry problem
4. Three repeated analyzes of the chloride sample yielded a mean chloride content x=72.10% and a standard deviation S=0.40%. Determine the boundaries of the confidence interval, in which the results of a separate determination can be located at a confidence probability P = 0.95. (Hint: apply Student´s t-test for small samples).
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