Before Any Order Is Shipped, Inspectors at Alvarez Manufacturing Test

question 62

Multiple Choice

Before any order is shipped, inspectors at Alvarez Manufacturing test a sample of finished units for breaking strength.You select a simple random sample of 49 units from a recently completed order and find that the sample average breaking strength is 814 pounds.Assume that the standard deviation of the breaking strengths for the population of units in the order is known to be 35 pounds.Construct a 95% confidence interval estimate of the average breaking strength you could expect to find if all the units in the order were tested.Report the upper bound for your interval.

• A)761.2
• B)643.9
• C)823.8
• D)797.6
• E)866.7

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The understanding or perception individuals have of their own identities, characteristics, and existence.

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Pertaining to the inner part or space of something; often used metaphorically to refer to inward feelings or insights.

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Sufficient for a specific requirement; meeting the basic needs or standards without being excessive or lacking.

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An ancient Greek philosopher known for his contributions to ethics and epistemology, and as a pioneering figure in the field of philosophy, famous for the Socratic method.