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Lesson 8 The useful life of a bicycle bought at Basement-mart fits a log normal distribution with a mean of 21 months and a standard

Lesson 8

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The useful life of a bicycle bought at Basement-mart fits a log normal distribution with a mean of 21 months and a standard deviation of 10.92 months. Suppose that 79 bicycles are randomly chosen, and let X = the average useful life of a bicycle bought at Basement-mart, from a sample of 79 bicycles (in months). X NV Question Help: Video Message instructor

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