Statistics and probability resources

Important note: None of these files are endorsed by the IBO. Further, none of the material is copied in any way from IBO or other examination board or other published texts. All the material is copyrighted by myself (Adrian Sparrow). You may download the material for free, and photocopy the work, but please do not re-host this work.

All the files are pdf for Adobe Acrobat, or Power point. Right click on a PC and 'save as'. Control click on a Mac and 'save as'.

	Conditional trees		Solving conditional probability questions by using tree diagrams. Suitable for Studies, SL, and HL.
	HL review		Stats and probability review questions for HL. Could be adapted for SL.
	Permutations and combinations		Introduction to perms and combinations.
	A-level Permuations		Some old A-level permuation questions.