Statistics Problems Year 9                   

To view the problem statement, double click on the problem title. This will open up the problem in a new window. From there, you can download the full problem-and-solution Word document.

Examples Page  Ref  Problem Title Objectives Ref Description Key Words
281 Unbeatable Dice 2-Event Probability A nice way to earn money in a Pub ?! Tree diagram, Notation
281 Number Plates List all outcomes Who is most likely to win this 'travel past-time' game ? Exhaustive
121, 281, 285 Domino Match 2-Event Probability What's the likelihood of any 2 dominoes matching each other ? Nice algebraic cancelling ... Sample Space, Tree diagram, Theory
81, 91, 233, 261 Average Speed Speed, Averages A nice introduction to ratio methods for combining average speeds over 2 sections of a journey Speed, Average
 261  All Means Possible Averages  Constructing an 'average' rod from two unequal rods  Average, Mean
281 Fair's Fair List all outcomes, 2-Event Probability  Can a pair of dissimilar dice really make a 'fair pair' when thrown together?!  Sample Space
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Last modified: June 18, 2007