Maximum area units2 Answer (4) [7] QUESTION 11 11.1 C- correct W- wrong C 0,7 C W 0,6 0,3 Tree diagram C 0,4 W 0,4 0,6 W P(2nd answer correct) Sum of = P(CC) + P(WC) probabilities = Substitution = = OR Answer (4) 11.2 Substitution Value of x
Maximum area units2 Answer (4) [7] QUESTION 11 11.1 C- correct W- wrong C 0,7 C 0,6 0,3 W C 0,4 0,4 W 0,6 W P(2nd answer correct) = P(CC) + P(WC) = = = OR Tree diagram Sum of probabilities Substitution Answer (4) 11.2 Substitution Value of x
NORTH_WEST_Maths_Memo_P1_Sept_2014NORTH%20WEST%20Maths%20Memo%20P1%20Sept%202014_GTVWf8.docx