Assume that in a neuroscience course the students perform an experiment. Tests are given to determine if

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Assume that in a neuroscience course the students perform an experiment. Tests are given to determine if people are right brained, are left brained, or have no predominance. It is also recorded whether they are right handed or left handed. The following chart shows the results obtained.

No Right Left Brained Brained Predominance Total Right handed Left handed 230 170 40 130 60 120 30 20 Total 160 400 160

If one person who completed the survey is selected at random, determine the probability the person selected is.


Right brained, given that the person is left handed.

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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