(HSC Maths Extension 1 ) Jacqui from Dux College runs through the common ‘birthday problem’, which asks you to show that “In a group of 23 randomly chosen people, the probability that at least 2 people share the same birthday is greater than 50%”. If you try to plug your numbers directly into your calculator, you’ll find the numbers are too big. You first need to cancel out some terms before using your calculator!
Wednesday, March 3rd, 2010, 7:47 pm | 
Mathematics, Mathematics Extension 1, Year 11: Preliminary Maths, Year 12: HSC Maths, Year 12: HSC Maths | 
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