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(1 point) The shelf life of a battery produced by one major company is known to be normally distributed, with a mean life of 3.6

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(1 point) The shelf life of a battery produced by one major company is known to be normally distributed, with a mean life of 3.6 years and a standard deviation of 1.1 years. Using the expanded empirical rule, what is the probability in decimal form that a randomly chosen battery will (a) last between 0.3 and 6.9 years? Answer: (b) last more than 4.7 years? Answer: (c) last fewer than 1.4 years

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