Preview File Edit View Go Tools Window Help M Q Mon 06 Jun 06:05 Exam questions.pdf Page 2 of 5 1 Q Q i Q Search Question 1 [4 marks] For 40 values of the variable x, it is given that E(x - c) = 3099.2, where c is a constant. The standard deviation of these values of x is 3.2. (i) Find the value of E(x - c). [3] (ii) Given that c = 50, find the mean of these values of x. [1] Help 6