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What is the p-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 520 hours.

(a) If a new ballast system shows a mean life of 3,233 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 = 0.10?

No

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

p-value

Reference no: EM132853348

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