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I justed did my maths extension 1 exam today and i was wondering about atar so... decided to play around with this atar calculator http://www.atarcalculator.com.au/ When I inputted 93 HSC mark it says I get 99.95 atar Is this plausble? If so, what advantage would there be obaining say 99 HSC...

I'm looking for a good Chemistry and Physics Private Tutor to help boost my Chem and Physics Marks. As of now Im ranked 2nd in Chem and 25th in Physics, in a rank 13 school. But I feel like I'm not 100% understanding the course. Id really prefer a tutor in the innerwest region - canterbury...

Not sure how to obtain the answer to this probability question in the cambridge text book. A poker hand of five cards is dealt from a standard pack of 52. Find the probability of obtaining (a) one pair (answer: 352/833) (b) two pairs...