When they are switched on, certain small devices independently produce outputs of 1, 2 or 3 volts

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When they are switched on, certain small devices independently produce outputs of 1, 2 or 3 volts with respective probabilities of 0.3, 0.6 and 0.1. Find the probability that three of these devices produce an output with a sum of 5 or 6 volts.

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

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Question Posted: Sep 13, 2021 01:32 AM

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When they are switched on, certain small devices independently produce outputs of 1, 2 or 3 volts

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What is the probability of getting a sum of 5 or 6 when a pair of dice is rolled P...View the full answer

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

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