Edexcel Statistics S1 January 2012 Q6e : ExamSolutions

[ExamSolutions_Maths]

18 is not correct as you must be outside of C and in R as we are given that it is in R. Taking the 3 is wrong as that is outside of R

[ExamSolutions_Maths]

Its 25+15 not the 5 you wrote + 10 + 15 which gives 65

[leonleon]

Nice vid wanted to say tanx, uve helped me alot through my exams :D

[DiLLZGFX]

how do u know if its intersection S and Not C rather than S union Not C? thanks

[MrKcl]

Thanks for all this, i have my stats exam tomorrow but i seem to not understand the p(snc'), is this not 18 it is 3+15 rather than just 15? thank you