The data is from a survey that was conducted by a company that is known for its job satisfaction sur

25 Views· 03/03/23
HighSchoolMath
HighSchoolMath
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The battery manufacturer's claim that its batteries last longer than 1000 hours is likely true. A random sample of 900 batteries has a mean lifetime of 980 hours and a standard deviation of 100 hours. This suggests that the battery manufacturer's claim is likely true.

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