Posted: September 16th, 2017

At a food processing plant, a machine produces 10 lb bags of sugar

At a food processing plant, a machine produces 10 lb bags of sugar. In this particular process, it is important that the sugar content does not go below 9.9 lbs. In fact, when the bags of sugar are less than 9.9 lbs, maintenance is performed on the machine. Consider a hypothesis test where:
Ho: X > 9.9 lbs. (In this case operation is continued) Ha: X < 9.9 lbs. (In this case maintenance is performed on the machine)
Assume the population standard deviation (?) is 0.5 and the sample size (n) is 100. Calculate the values for ?, a type I error and ?, a type II error. (To calculate Beta, consider a mean that is 1 standard error away from the lower end value to perform maintenance)

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