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29-05-2020
Mathematics

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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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Thenoobsong3 Thenoobsong3

29-05-2020

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29-05-2020

Answer:

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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