Statistics IITU Board 2080
Define Central limit theorem. The life of a certain brand of an electric bulb may be considered a random variable with mean 1350 hours and standard deviation 55o hours. Using central limit theorem,…
5Define Central limit theorem. The life of a certain brand of an electric bulb may be considered a random variable with mean 1350 hours and standard deviation 55o hours. Using central limit theorem, find the probability that the average life time of 100 bulbs exceeds 1440 hours.
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