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An interval estimate for the average distance car tyres lasted during their lifetime was reported to be 32168 km to 37892 km This interval estimate

An interval estimate for the average distance car tyres lasted during their "lifetime" was reported to be 32168 km to 37892 km. This interval estimate was based on a sample of 52 typres. The variance of the lifetime was determined from previous studies to be 50865424 km squared. What level of confidence can be attributed to this interval estimate? State your answer as a percentage, correct to the nearest whole number.

Apr 21 2020 View more View Less

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