The answer is 18%
295-250. 45
————— = ———— = 18%
250. 250
P(4,5 or 6)=3/6=1/2 and we need to find
P(4 times or 5 times... getting 4,5 or 6) = P(4 times ...)+ P(5 times...)
=(1/2)^12 + (1/2)^12 = (1/2)^11
i'm not very sure if its correct. but, u can use this as your last resort. something is better than nothing. and let me know if its right.
You have to turn them in to the lowest common denominator