question archive The life span of certain brand of supercharged batteries are normally distributed with a population mean of = 27 hours and = 6 hours
Subject:StatisticsPrice: Bought3
The life span of certain brand of supercharged batteries are normally distributed with a population mean of = 27 hours and = 6 hours.What is the probability that 1 randomly selected battery will have a life span of more than 30 hours?