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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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jprust87 jprust87
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6 years ago
A light-bulb manufacturer advertises that the average life for its light bulbs 900 hours. A random sample of 15 of its light bulbs resulted in the following lives in hours.
 
  995 590 510 539 739 917 571 555
   916 728 664 693 708 887 849
  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?
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lirpaprillirpapril
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6 years ago
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lubennick
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6 years ago
Thanks
jmendoza
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Yesterday
This helped my grade so much Perfect
amandamraz
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2 hours ago
Thanks for your help!!
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