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A Certain Company Makes 12-Volt Car Batteries

question 19

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A certain company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of a battery is normally distributed, with a mean of 44 months and a standard deviation of 7 months. If the company does not want to make refunds for more than 10% of its batteries under the full-refund guarantee policy, for how long should the company guarantee the batteries (to the nearest month) ?


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Specific aspects or fields where performance or conditions can be enhanced or optimized.

Performance Improvement Plan Conclusion

The final assessment or outcome of a plan designed to help an employee enhance their work performance through specific goals and metrics.

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