Do data provide evidence of mean life for light bulb, Basic Statistics

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Do data provide evidence of mean life for light bulb

A light-bulb manufacturer advertises that the average life for its light bulbs 900 hours. A random sample of 10 of its light bulbs resulted in the following lives in hours. At the 10% significance level, do the data provide evidence that the mean life for the company's light bulbs differs from the advertised mean? Give the null and alternate hypotheses.

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