A producer of televisions claims that his product will last at least 10 years on average. A sample of 40 is taken and the mean and standard deviation are found. The test statistic is calculated to be 1.756. Using a 5% level, the conclusion would be
there is insufficient evidence for the producer’s claim to be considered correct
there is sufficient evidence for the producer’s claim to be considered incorrect
None of the above
there is sufficient evidence for the producer’s claim to be considered correct
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