Confidence interval of population mean tread depth
Ten randomly selected automobiles were stopped, and the tread depth of the right tire was measured. The mean was 0.8 cm and the standard deviation was 0.2 cm. Find the 95% confidence interval of the population mean tread depth.
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At the 0.01 level of significance, test the claim that the mean is less than 342 km. Should the storage yard be moved? Give your reasons.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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