A design engineer gives you the following data for your standard product. You kn
ID: 338098 • Letter: A
Question
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:
What is the sample mean service life for sample 2? (Keep one decimal place)
Sample 1 Sample 2 Sample 3 Sample 4 335.5 347.5 359.5 361.0 336.0 337.5 341.8 332.0 342.0 333.0 313.0 349.5 335.8 349.8 349.0 330.9Explanation / Answer
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:
What is the sample mean service life for sample 2? (Keep one decimal place)
Sample 1 Sample 2 Sample 3 Sample 4 335.5 347.5 359.5 361.0 336.0 337.5 341.8 332.0 342.0 333.0 313.0 349.5 335.8 349.8 349.0 330.9Related Questions
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