Need urgent help with an AS Stats question

[panda222]

http://olevel.sourceforge.net/papers/9709/9709_s12_qp_63.pdf

Question 2 from that paper. I could do those types of questions but I've absolutely forgotten how to do them now. HELP, exam is tomorrow.

EDIT: Oh and heres the MS

http://olevel.sourceforge.net/papers/9709/9709_s12_ms_63.pdf

 

[panda222]

Vinita Manek
whitecorp
shanky631

Come on guys need help on this, exam tommorow.