Probability Without Tears

Contents
1 Simple Probabilities
	Choice and Chance
		Equally Likely Outcomes
		A ‘Scale’ of Probability
		Probability p's and q's
		Theoretical Probability
	Judging by Experience
		Practical Probability
	Gambling, Probability and Belief
		What are the Odds?
	Experiments in Probability
2 Combined Probabilities
	Total Probability
		Addition Rule
	Joint Probability
		Probability Tree
		Multiplication Rule
		When Results are NOT Independent
	Using Both Probability Rules Together
		One Only v. At Least One
	Review
	Examination Questions
		Answers to Examination Questions
3 Combinations and Permutations
	A Reminder
	Combining and Permuting
		How Many Ways?
		Filling Places
		Restricted Neighbours
		Review Questions
		Answers to Review Questions
	Formulae for Permutations
		Using Factorials
		Permutations of Things that are NOT All Different
	From Permutations to Combinations
		The Combinations Formula
		Forming Groups
		Combining Combinations
		Review Questions
		Answers to Review Questions
4 Probability by Combinations
	Probability Again
		The Combinations Method
		Review
	Experiments in Probability and Sampling
	Combinations and the Binomial Distribution
		Binomial Probabilities
		The Term and its Coefficient
		Coefficients from Pascal’s Triangle
		Review
	Coefficients from Combinations
		Calculating the Coefficient
		Expected Frequency Distributions
		Samples and Populations
		Review Questions
		Answers to Review Questions
	Review
		Practice
	Examination Questions
		Answers to Examination Questions