Discrete Random Variables

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.]

WJEC S1 June 2012 Q8

WJEC S1 Jan 2013 Q6

WJEC S1 June 2013 Q7

WJEC S1 Jan 2014 Q7

WJEC S1 June 2014 Q7

WJEC S1 June 2015 Q7