homework

Hello everyone! Can anybody help me to solve these question? (sorry I'm very bad at Maths, took me forever but I still couldn't figure out o_O) 1. (HSC 1982): A biased coin is found to have probability 0.7 of showing a head when tossed. b) What is the most likely combination of heads and tails...

From a previous post, I had specified I would like to achieve a solid ATAR of 95+. Through, the first week of Year 12 (ended today) I just realised I haven't got a set plan of how I am going to achieve this goal or how to do it. Through other people's form and advice, I have learnt that everyday...