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Mathematics, 24.12.2019 01:31 usagimiller
The average life of a certain type of small motor is 10 years with a standard deviation of 2 years. the manufactorer replaces free all motors that fail while under guarantee. if she is willing to replace only 3% of the motors that fail, how long a guarantee should be offered?
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The average life of a certain type of small motor is 10 years with a standard deviation of 2 years....
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