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    Model Ratio Percentage

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    1) What percentage of this model radio will last longer than 9.5 years?

    2) Suppose the manufacturer guarantees the radio for 8 years. What percentage of radios will have to be replaced?

    3) Suppose the manufacturer is willing to replace only 2% of this model radio. What should be the length of the guarantee?

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    https://brainmass.com/statistics/normal-distribution/model-ratio-percentage-18225

    Solution Preview

    Please see the attached file.

    Category: Statistics
    Subject: Central Limit Theorem
    Details: A radio manufacturer believes that the length of life, x (in years), of its ZZZZ model radio is approximately normally distributed with mean 12 and standard deviation 2.5

    Please show the work with the ...

    Solution Summary

    The percentage of this model radio will last longer than 9.5 years are determined. The manufacturer guarantees the radio for 8 years. What percentage of radios will have to be replaced are analyzed.

    $2.49

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