Andy plays tennis. The probability that Andy will get one of his serves in court is 60%.
Andy serves 20 times. Find the probability Andy gets exactly 15 serves in court.
Andy serves 20 times. Find the probability more than 15 of the serves will be in court.
Andy's coach thinks that the probability of Andy getting a serve in court has changed. Andy serves 50 times in a set and 35 are in court. Stating your hypothesis clearly, test the coach's claim at the 10% significance level.
Practise Edexcel AS Level Maths Hypothesis Testing with exam-style questions for AS Level Maths. 8 questions covering Hypothesis Testing, Finding Critical Values, One-Tailed Tests, and Two-Tailed Tests, matched to the Edexcel AS Level Maths (8MA0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.