Calculate an exact binomial probability
A quiz question has probability \(\frac{1}{2}\) of success. For \(4\) independent questions, find the probability of exactly \(3\) successes.
Worked practice: binomial probability
Use the binomial probability structure and simplify the final probability.
Write a full answer
Now write the response in full, in your own words — this is what the exam asks for. The AI marks it on the same moves you built above (focus, evidence, technique, judgement) and gives feedback on reasoning, evidence, and expression.