Mathematics, 26.10.2019 05:43, huckfin58021219
President of salas products, is reviewing the warranty policy for her company's new model of automobile batteries. life tests performed on a sample of 100 batteries indicated:
(1) an average life of 75 months,
(2) a standard deviation of 5 months,
(3) a bell shaped battery life distribution. what percentage of the batteries will fail within the first 65 months of use?
Answers: 3
where 
=-2
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President of salas products, is reviewing the warranty policy for her company's new model of automob...
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