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Interstate Batteries are supposed to last at least 3 years. A consumer advocate collects a random...

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Statistics

  1. Interstate Batteries are supposed to last at least 3 years. Aconsumer advocate collects a random sample of 200 of thesebatteries and finds that 186 last at least 3 years. Does thisprovide evidence at the 5% significance level to support the claimthat less than 95% of all Interstate batteries last at least 3years? Justify by running a hypothesis test.

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4.5 Ratings (928 Votes)
Proportion 095Total number of sample n 200number of favourable events X 186We are interested in testing the    See Answer
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