The breakdown voltage of a randomly chosen diode of a certain type is known to be normally

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The breakdown voltage of a randomly chosen diode of a certain type is known to be normally distributed with mean value 40 V and standard deviation 1.5 V.

a. What is the probability that the voltage of a single diode is between 39 and 42?

b. What value is such that only 15% of all diodes have voltages exceeding that value?

c. If four diodes are independently selected, what is the probability that at least one has a voltage exceeding 42?

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Probability And Statistics For Engineering And The Sciences

ISBN: 9781133169345

8th Edition

Authors: Jay L Devore, Roger Ellsbury

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Question Posted: Sep 16, 2024 02:00 PM

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The breakdown voltage of a randomly chosen diode of a certain type is known to be normally

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Probability And Statistics For Engineering And The Sciences

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