A random sample of 460 ball bearings chosen at random from a very large consignment is found to have a mean diameter of 0.450 inches, with a standard deviation of 0.58 inches. Determine (i) 95% and...


A random sample of 460 ball bearings chosen at random from a very large consignment is found to<br>have a mean diameter of 0.450 inches, with a standard deviation of 0.58 inches. Determine (i) 95% and<br>(ii) 99% confidence interval of mean diameter of the ball bearings of the consignment.<br>

Extracted text: A random sample of 460 ball bearings chosen at random from a very large consignment is found to have a mean diameter of 0.450 inches, with a standard deviation of 0.58 inches. Determine (i) 95% and (ii) 99% confidence interval of mean diameter of the ball bearings of the consignment.

Jun 07, 2022
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