The mean time that a certain model of light bulb will last is 400 hours, with a
Question:
a. Calculate the standardized value for a light bulb that lasts 500 hours.
b. Assuming that the distribution of hours that light bulbs last is bell-shaped, what percentage of bulbs could be expected to last longer than 500 hours?
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a The standardized value is computedusing Fora value x 500 the s...View the full answer
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Related Book For 
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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