A dice is tossed twice. Write the sample space, write the following events and calculate the probability of each event.

A_1={((x,y))⁄(x+y=9)}

A_1={(3,6),(4,5),(6,3),(5,4)}P(A_1 )=4/36=1/9

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A_1={(3,6),(4,5),(6,3),(5,4)}

need an explanation for this answer? contact us directly to get an explanation for this answerP(A_1 )=4/36=1/9