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To test the hypothesis that the mean lifetime of light bulbs is less than 800 hours, where the population is normally distributed and the
To test the hypothesis that the mean lifetime of light bulbs is less than 800 hours, where the population is normally distributed and the population standard deviation is known to be 20 hours, a random sample of 36 light bulbs is tested and yielded a sample mean of 798 hours. Find the p-value for the test. After finding the p-value, indicate which interval below contains the p-value. .2001 to 5000 .0000 to .0300 0.001 to 1000 0.5001 to 1.000 .1001 to 2000
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