A machine that stuffs a cheese-filled snack product can be adjusted for the amount of cheese injected
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A machine that stuffs a cheese-filled snack product can be adjusted for the amount of cheese injected into each unit. A simple random sample of 30 units is selected, and the average amount of cheese injected is found to be x̅ 3.5 grams. If the process standard deviation is known to be σ = 0.25 grams, construct the 95% confidence interval for µ = the average amount of cheese being injected by the machine.
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For a confidence level of 95 z 196 in the standard normal distribution 95 of the area is betwee...View the full answer
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