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The faces of a die bear numbers 0, 1,2, 3,4, 5. If the die is rolled twicethen find the probability that the product of digits on upper face is zero.3) |
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Answer» 0*0 0*1 0*2 0*3 0*4 0*51*0 1*1 ....2*0..3*0..4*0..5*0.. so we can make out that events would be 6*6=36and no of times 0 will be the product is 6+5=11( six times when 0 is multiplied by another noand rest 5 times when another no is multiplied by 0)so, probability is 11/36. |
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