A plant manufactures electric light bulbs with a burning life that is approximately normally distributed with a mean of 1200 hours and a standard deviation of 36 hours. Find the probability that a random sample of 16 bulbs will have a sample mean less than 1180 burning hours.

MATLAB: An Introduction with Applications
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A plant manufactures electric light bulbs with a burning life that is approximately
normally distributed with a mean of 1200 hours and a standard deviation of 36 hours.
Find the probability that a random sample of 16 bulbs will have a sample mean less
than 1180 burning hours.
Transcribed Image Text:A plant manufactures electric light bulbs with a burning life that is approximately normally distributed with a mean of 1200 hours and a standard deviation of 36 hours. Find the probability that a random sample of 16 bulbs will have a sample mean less than 1180 burning hours.
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