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12 points Skipped eBook References Check my work The lifespan of xenon metal halide arc-discharge bulbs for aircraft landing lights is normally distributed with a
12 points Skipped eBook References Check my work The lifespan of xenon metal halide arc-discharge bulbs for aircraft landing lights is normally distributed with a mean of 2,000 hours and a standard deviation of 520 hours. (a) If a new ballast system shows a mean life of 2,366 hours in a test on a sample of 14 prototype new bulbs, would you conclude that the new lamp's mean life exceeds the current mean life at a: 0.01? No Yes (b) What is the pvalue? (Round your answer to 4 decimal places.)
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