FICO (Fair, Isaac, and Company) credit rating scores of a simple random sample of applicants for credit

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FICO (Fair, Isaac, and Company) credit rating scores of a simple random sample of applicants for credit cards: 95% confidence; n = 50, x = 677, and σ is known to be 68.

Find the margin of error and confidence interval if the necessary requirements are satisfied. If the requirements are not all satisfied, state that the margin of error and confidence interval cannot be calculated using the methods of this section.

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Elementary Statistics

ISBN: 9780321500243

11th Edition

Authors: Mario F. Triola

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