Edexcel Jan 2020 IAL Pure Maths WST01/01 (pdf) Show Step-by-Step Solutions The discrete random variable X has the following probability distribution where a, b and c are probabilities. The mean value of X is 1 and F(1) = 0.63 Find the value of a, the value of b and the value ...
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Edexcel Jan 2020 IAL Pure Maths WMA11/01 (pdf) Show Step-by-Step Solutions Find, in simplest form, Given y = 3x, express each of the following in terms of y. Write each expression in its simplest form. Figure 1 shows part of the curve with equation y = x2+ 3x – 2. The point...