Mathematics (AS & A Level) · Oct / Nov 2016 · Paper 71 · Question 6

z 0 1 2 3 4 Z y 0 1 2 3 4 Y x 0 1 2 3 4 X w 0 1 2 3 4 W The diagrams show the probability density functions of four random variables W, X, Y and Z. Each of the four variables takes values between 0 and 3 only, and their medians are mW, mX, mY and mZ respectively.

Read automatically from the paper; the printed page above is exact.