Mathematics, 12.08.2021 22:10, quavion61

A design engineer gives you the following data for your standard product. You know from numerous previous samples that its reliable life is normally distributed with a mean of 335 days and a standard deviation of 19.2 days. On a recent production run, she tested the duration of random samples with these results: Sample 1 Sample 2 Sample 3 Sample 4
338.0 321.5 362.5 352.0
335.5 334.0 341.8 359.0
332.1 355.4 312.0 329.4
364.6 309.0 340.9 341.3
What is the sample mean service life for sample 2

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A design engineer gives you the following data for your standard product. You know from numerous pre...