Really resonating with this article right now https://www.smh.com.au/national/nsw/hsc-maths-exam-gets-an-f-for-failing-our-students-20221101-p5bul5.html
How did everyone go with the last part of that probability? I got a bit lost after 1 - P(all available) was it something like (7/10)(P(S)^4) + (3/10)(P(S|F)(... ) or am I defo wrong
I've been using the new casio for the past few months
When I'm finding an unknown exponent am I still gonna have to show the marker I know how to do a change of base or can I just plonk down the answer with a unique base log?