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Energetic Co., a battery manufacturer, claims their battery lasts for 58.75 months with a standard deviation of 5.534 months. You randomly sample 31 of these

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Energetic Co., a battery manufacturer, claims their battery lasts for 58.75 months with a standard deviation of 5.534 months. You randomly sample 31 of these batteries. Assuming the distribution for the battery lifetime is approximately normal, what is the probability the average lifetime is greater than 60.18? 1) 0.0751 ( 2) 0.9249 ( 3) 0.8574 4) 0.6020 (5) 0.3980

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