Skip to content

Course home

Sign up

Hypothesis Testing

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114
Question 3

Charlie plays tennis. The probability that Charlie will get one of his serves in court is 50%.

Give your probability answers to 4 decimal places.

ai.

Charlie serves 20 times. Find the probability Charlie gets exactly 13 serves in court.

[1]
aii.

Charlie serves 20 times. Find the probability more than 13 of the serves will be in court.

[2]
b.

Charlie's coach thinks that the probability of Charlie getting a serve in court has changed. Charlie serves 40 times in a set and 26 are in court. Stating your hypothesis clearly, test the coach's claim at the 10% significance level.

[4]
Markscheme

Hypothesis Testing Questions

  1. A Level
  2. /Maths
  3. /Hypothesis Testing

153 exam-style questions on Edexcel A Level Maths Hypothesis Testing, covering 7.1 Hypothesis Testing, 7.2 Finding Critical Values, 7.3 One-Tailed Tests, and 7.4 Two-Tailed Tests. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank