A calculator corporation knows the life of its PYQ machine has a normal distribution of 54 months and a standard deviati

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A calculator corporation knows the life of its PYQ machine has a normal distribution of 54 months and a standard deviati

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A Calculator Corporation Knows The Life Of Its Pyq Machine Has A Normal Distribution Of 54 Months And A Standard Deviati 1
A Calculator Corporation Knows The Life Of Its Pyq Machine Has A Normal Distribution Of 54 Months And A Standard Deviati 1 (15.12 KiB) Viewed 35 times
A calculator corporation knows the life of its PYQ machine has a normal distribution of 54 months and a standard deviation of 8 months. What should the warranty period be to replace a malfunctioning calculator if the company does not want to replace more than 2% of the PYQ machines sold.
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