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23 June, 07:28

The mean life of a tire is 30,000 km. The standard deviation is 2000 km. 95% of all tires will have a life between___ km and ___km.

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  1. 23 June, 08:37
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    Answer:Need more infromation
  2. 23 June, 09:17
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    Between 26,000 and 34,000 km.

    Step-by-step explanation:

    95% of a data set will be within 2 standard deviations of the mean.

    Therefore, the range will be from "μ - 2σ" to "μ + 2σ".
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