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Three fair dice are rolled. Let S be the total number of spots showing, that is...

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Advance Math

Three fair dice are rolled. Let S be the total number of spotsshowing, that is the sum of the results of the three rolls.
a) Find the probabilities P(S = 3), P(S = 4), P(S = 17), P(S =18).

b) Find the probability P(S ? 11).

Answer & Explanation Solved by verified expert
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Solution Given Three dice are rolled and S denotes the sum obtained by rolling three dice Total number of outcomes 63 216 a 1 PS3 means sum obtained is 3 this is possible only when 1 occurs on all three dice Here Sample space 1 111 By the formula ProbFavourable    See Answer
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