SOLUTION: A coin-operated coffee machine made by BIG Corporation was designed to discharge a mean of 7.1 ounces ounces of coffee per cup. If it dispenses more that that on average, the corpo
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Question 594261: A coin-operated coffee machine made by BIG Corporation was designed to discharge a mean of 7.1 ounces ounces of coffee per cup. If it dispenses more that that on average, the corporation may lose money, and if it dispenses less, the customers may complain.
Believing that the mean amount of coffee dispensed by the machine, , is different from 7.1 ounces, BIG plans to do a statistical test of the claim that the machine is working as designed. Technicians gather a random sample of fill amounts and find that the mean of the sample is 6.7 ounces and that the standard deviation is 0.5 ounces.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A coin-operated coffee machine made by BIG Corporation was designed to discharge a mean of 7.1 ounces ounces of coffee per cup. If it dispenses more that that on average, the corporation may lose money, and if it dispenses less, the customers may complain.
Believing that the mean amount of coffee dispensed by the machine, , is different from 7.1 ounces, BIG plans to do a statistical test of the claim that the machine is working as designed. Technicians gather a random sample of fill amounts and find that the mean of the sample is 6.7 ounces and that the standard deviation is 0.5 ounces.
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Ho: u = 7.1
Ha: u # 7.1
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Question: How many samples are taken?
Cheers,
Stan H.
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