Ninety eight percent confidence interval

Ninety eight percent confidence interval

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Reference no: EM1317950

As part of a safety check, the Pennsylvania Highway Patrol randomly stopped 25 cars and checked their tire pressure. The sample mean was 32 pounds per square inch with a sample standard deviation of 2 pounds per square inch. Develop a 98 percent confidence interval for the population mean.

Reference no: EM1317950

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