A Level Maths past paper questions on the topic of Discrete Random Variables.
WJEC Statistics 1
WJEC S1 June 2005 Q7
WJEC S1 Jan 2006 Q8
WJEC S1 June 2006 Q7
WJEC S1 Jan 2007 Q6
WJEC S1 June 2007 Q3
[Note – The formulae needed for this question are also true for continuous random variables.]
WJEC S1 June 2007 Q6
WJEC S1 Jan 2008 Q6
WJEC S1 June 2008 Q6
WJEC S1 Jan 2009 Q8
WJEC S1 June 2009 Q6
WJEC S1 Jan 2010 Q4
WJEC S1 June 2010 Q6
WJEC S1 Jan 2011 Q7
WJEC S1 June 2011 Q5
WJEC S1 Jan 2012 Q7
WJEC S1 June 2012 Q2
[Note – the following question could be a discrete or a continuous random variable. We solve it in the same way.]