Bionomial, Applied Statistics

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The Quality Manager of a battery manufacturing plant reviewed the warranty records within his department and found that 4% of the low maintenance batteries produced at the plant over the past 5 years were returned within the warranty period for a confirmed defected. Twelve low maintenance batteries were purchased at the plant last Saturday. What is the probability that more than 2 of the batteries will be returned to the plant within the warranty period with a confirmed defect

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