These Stage 4 and 5 problems haven't been solved yet. Can you be the first?
Which of these logarithmic challenges can you solve?
Can you figure out how each log fits into the lattice?
Exponential functions grow pretty quickly...
Some graphs grow so quickly you can reach dizzy heights...
DNA profiling is an invaluable tool for the police. However, when it comes to probability, things aren't always as straightforward as they seem.
In 1% of cases, an HIV test gives a positive result for someone who is HIV negative. How likely is it that someone who tests positive has HIV?