Problem N5726 probability theory sample size
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- Based on a sample of n=16, a sample average of piston ring diameters was calculated. Under the assumption of a normal distribution, determine with reliability γ=0.94 the accuracy δ with which the sample mean estimates the mathematical expectation, knowing that the standard deviation of the piston ring diameters is σ=3.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)