There are 10 questions on three subjects in a quiz. Three of them are about Sports, four about Social Sciences and the r

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There are 10 questions on three subjects in a quiz. Three of them are about Sports, four about Social Sciences and the r

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There Are 10 Questions On Three Subjects In A Quiz Three Of Them Are About Sports Four About Social Sciences And The R 1
There Are 10 Questions On Three Subjects In A Quiz Three Of Them Are About Sports Four About Social Sciences And The R 1 (24.15 KiB) Viewed 126 times
There are 10 questions on three subjects in a quiz. Three of them are about Sports, four about Social Sciences and the rest are about science. A student randomly picks four questions to answer. Let X be the random variable which 03 MAT212 Final Examination_Summer2021 denotes the number of sports questions picked by the student. Answer the following questions: a. Construct a Probability Mass Function of X. (Include the parameter values) (4) b. Find E(X) and SD (X). (4) c. Calculate P (X>2). (2)
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