Let be the input current to a transistor and be the output current. Then the current gain

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Let be the input current to a transistor and be the output current. Then the current gain is proportional to

. Suppose the constant of proportionality is 1

(which amounts to choosing a particular unit of measurement), so that current gain . Assume X is normally distributed with and .

a. What type of distribution does the ratio have?

b. What is the probability that the output current is more than twice the input current?

c. What are the expected value and variance of the ratio of output to input current?

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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 21, 2024 10:04 AM

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Let be the input current to a transistor and be the output current. Then the current gain

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Probability And Statistics For Engineering And The Sciences

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