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Mathematics, 20.06.2020 18:57 therealdest
A new car battery is sold with a two-year warranty whereby the owner gets the battery replaced free of cost if it breaks down during the warranty period. Suppose an auto store makes a net profit of $30 on batteries that stay trouble-free during the warranty period; it makes a net loss of $10 on batteries that break down. The life of batteries is known to be normally distributed with a mean and standard deviation of 45 and 12 months respectively. a. What is the probability that the battery will break down during the warranty period
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