Find the distribution for the mean car length ownership

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Suppose that the time that owners keep their cars (purchased new) is normally distributed with a mean of 7 years and a standard deviation of 2 years. We are interested in how long an individual keeps his car (purchased new). Our population is people who buy their cars new.

If we are to pick individuals 10 at a time, find the distribution for the mean car length ownership.

Reference no: EM131823171

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