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The Ball Corporation's beverage can manufacturing plant in Fort Atkinson, Wisconsin, uses a metal supplier that provides metal with a known thickness standard deviation σ = .000669 mm. Assume a random sample of 52 sheets of metal resulted in an x
¯
x¯ = .2378 mm.
Calculate the 90 percent confidence interval for the true mean metal thickness. (Round your answers to 4 decimal places.)
The 90% confidence interval is from ___ to ___
A researcher plans a study in which a crucial step is offering participants a food reward. It is important that the three food rewards be equal in appeal.
Help me study by answering this question. A stock is just paid a dividend of $0.91 and is growing at a constant rate of 10 percent per year.
A random sample of 35 properties in Marin County gives x‾= $4.32 million and s = $0.87 million. Is the average sale price of all properties in both locations approximately equal or not? Explain
This problem related to Basic Statistics and it discuss about researching statistical data in business context that requires taking decision by using probability concepts to formulate a decision
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in a manufacturing process a random sample of 36 bolts manufactured has a mean length of 1.71 inches with a standard
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In a certain community, 40% of the households subscribe to a local newspaper, 30% subscribe to a newspaper of national circulation, and 60% subscribe.
What is the difference in the PV annuity formula between payments starting on the day and payments starting at the end of the year?
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