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18 August, 04:02

John and Mary are taking a mathematics course. The course has only three grades: A, B, and C. The probability that John gets a B is. 3. The probability that Mary gets a B is. 4. he probability that neither gets an A but at least one gets a B is. 1. What is the probability that at least one gets a B but neither gets a C?

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  1. 18 August, 07:13
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    The sample space S can be arranged in a matrix form

    S =

    JAMA, JAMB, JAMC,

    JBMA, JBMB, JBMC,

    JCMA, JCMB, JCMC

    Let E be the event that John gets a B
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Home » Mathematics » John and Mary are taking a mathematics course. The course has only three grades: A, B, and C. The probability that John gets a B is. 3. The probability that Mary gets a B is. 4. he probability that neither gets an A but at least one gets a B is. 1.
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