Leave Leave blank The random variable X ~ B(10, p) blank 2. (9) (i) Write down an expression for P(X = 3) in terms of p (i) Find the value of p such that P(X = 3) is 16 times the value of P(X = 7) ( 4 ) The random variable Y ~ Po(2) DO NOT WRITE IN THIS AREA (h) Find the value of A such that P(Y = 3) is 5 times the value of P(Y = 5) (3) The random variable W ~ B(n, 0.4) () Find the value of n and the value of a such that W can be approximated by the normal distribution, N(32, a)