From all lightbulbs produced (see Example 1), what is the probability that a lightbulb chosen at random

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From all lightbulbs produced (see Example 1), what is the probability that a lightbulb chosen at random lasts between 380 and 500 hours?

Data from Example 1

A manufacturing process produces lightbulbs with life expectancies that are normally distributed with a mean of 500 hours and a standard deviation of 100 hours. What percentage of the lightbulbs can be expected to last between 500 and 670 hours?

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Finite Mathematics For Business Economics Life Sciences And Social Sciences

ISBN: 9780134862620

14th Edition

Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker

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Question Posted: Dec 28, 2023 05:10 AM

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From all lightbulbs produced (see Example 1), what is the probability that a lightbulb chosen at random

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To answer this we first find z z x 380 500 100 3849 or 3849 It is usua...View the full answer

Finite Mathematics For Business Economics Life Sciences And Social Sciences

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