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The shape of the distribution of the time required to get an oil change at a...

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Basic Math

The shape of the distribution of the time required to get an oilchange at a 15​-minute oil-change facility is unknown.​ However,records indicate that the mean time is 16.4 minutes and thestandard deviation is 3.5 minutes. To compute probabilitiesregarding the sample mean using the normal​ model, what size samplewould be​ required?

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SolutionGiven 164 35Here we dont know whether the population distribution is normalor not If the population distribution is normalthen the    See Answer
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