How large a sample would be needed to estimate mean

Reference no: EM131066196

Analysis showed that the mean arrival rate for vehicles at a certain Shell station on Friday afternoon last year was 4.5 vehicles per minute with 1.5 vehicles of standard deviation. How large a sample would be needed to estimate this year's mean arrival rate with 98 percent confidence and an error of ±0.1? (such as: n = 000 )

Reference no: EM131066196

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