Mathematics, 24.10.2021 03:10 marisolrojo2002
The mean life of a certain brand of auto batteries is 44 months with a standard deviation of 3 months. Assume that the lives of all auto batteries of this brand have a bell shaped distribution. Using the empirical rule , find the percentage of auto batteries of this brand that have a life of (a) 41 to 47 months (b) 38 to 50 months (c) 38 to 53 months
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The mean life of a certain brand of auto batteries is 44 months with a standard deviation of 3 month...
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