The specific gravity of your company’s main product is supposed to be 1.15. Sampling from the...

The specific gravity of your company’s main product is supposed to be 1.15. Sampling from the line gave a sample average of 1.11 using n = 6 samples. From historical data, the standard deviation of the s.g. can be assumed to be 0.15.

a. Is the product coming off the line acceptable? Answer using a 95% confidence interval.

b. Is the product coming off the line acceptable? Answer using a hypothesis test at 95% significance.

Expert Solution

orchestra answered 2 years ago

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