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28 September, 09:36

Janet has 7 markers in a backpack. One of them is orange and one is blue. Find the probability Janet will reach into the backpack without looking and grab the orange marker and then reach in a second time and grab the blue marker. Express your answer as a fraction in simplest form

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  1. 28 September, 10:00
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    a) Not replaced

    Yellow marker First - Then Blue Marker =

    (1/10) (1/9) = 1/90

    b) Replaced

    (1/10) (1/10) = 1/100

    Answer "C"
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