9 ( ) Assume that you want to construct a 95% confidence interval estimate of a population mean. Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval. The sample standard deviation is given below. Margin of error = 0.02 kilometer, standard deviation = 0.11 kilometer. The required sample size is: (many people made mistake because of careless)

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A: Cycle is defined as a path that start and end at the same vertex.

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A:

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A:

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