two dice are thrown at the same time and the product of numbers appearing on them is noted . find the probaility that the product is less than 9.
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Sample Space: (1,1) (1,2) (1,3)........(6,6)
Favourable Outcomes: 15 { (1,1) (1,2) (1,3) (1,4) (1,5) (1,6) (2,1) (2,2) (2,3) (2,4) (3,1) (3,2) (4,1) (5,1) (6,1) }
Total Outcomes: 36
P(product of numbers less than 9) = 15/36 = 5/12
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