Business, 14.06.2021 15:40 StephenCurry34

The Philips manufactures electric bulbs that have a length of life that is normally distributed with mean equal to 850 hours and standard deviation of 40 hours. Find the probability that a bulb burns between 780 and 834 hours.

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The Philips manufactures electric bulbs that have a length of life that is normally distributed with...