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Mathematics, 22.06.2019 17:30 AtlFan6392

The blenders produced by a company have a normally distributed life span with a mean of 8.2 years and a standard deviation of 2.9 years. what warranty should be provided so that the company is replacing at most 6% of their blenders sold? (a) 6.9 years (b) 12.7 years (c) 3.7 years (d) 11.1 years

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