standard deviation of 500 hours. ) If a new ballast system shows a mean life of 3,515 hours in a test on a sample of 10 prototype new bulbs, would you conclude that he new lamp's mean life exceeds the current mean life at a = .01? Yes O No ) What is the p-value? (Round your answer to 4 decimal places.) O-value

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The lifespan of xenon metal halide arc-discharge bulbs for aircraft landing lights is normally distributed with a mean of 3,000 hours and a standard deviation of 500 hours.

(a) If a new ballast system shows a mean life of 3,515 hours in a test on a sample of 10 prototype new bulbs, would you conclude that the new lamp’s mean life exceeds the current mean life at α = .01?

- Yes (selected)
- No

(b) What is the p-value? *(Round your answer to 4 decimal places.)*

p-value: [Input Box]
Transcribed Image Text:The lifespan of xenon metal halide arc-discharge bulbs for aircraft landing lights is normally distributed with a mean of 3,000 hours and a standard deviation of 500 hours. (a) If a new ballast system shows a mean life of 3,515 hours in a test on a sample of 10 prototype new bulbs, would you conclude that the new lamp’s mean life exceeds the current mean life at α = .01? - Yes (selected) - No (b) What is the p-value? *(Round your answer to 4 decimal places.)* p-value: [Input Box]
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