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.]*