Maria chooses toast for her breakfast with probability 0.85. If she does not choose toast then she

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Maria chooses toast for her breakfast with probability 0.85. If she does not choose toast then she has a bread roll. If she chooses toast then the probability that she will have jam on it is 0.8. If she has a bread roll then the probability that she will have jam on it is 0.4.

i. Draw a fully labelled tree diagram to show this information.

ii. Given that Maria did not have jam for breakfast, find the probability that she had toast.

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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 01:31 AM

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Maria chooses toast for her breakfast with probability 0.85. If she does not choose toast then she

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

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