A calculator corporation knows the life of its PYQ machine has a normal distribution of 54 months and a standard deviati
Posted: Mon Apr 11, 2022 6:28 am
company does not want to replace more than 2% of the PYQ machines sold.
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