Edexcel S2 2011 January — Question 2

Exam BoardEdexcel
ModuleS2 (Statistics 2)
Year2011
SessionJanuary
TopicHypothesis test of binomial distributions
TypePerform one-tailed hypothesis test

2. A student takes a multiple choice test. The test is made up of 10 questions each with 5 possible answers. The student gets 4 questions correct. Her teacher claims she was guessing the answers. Using a one tailed test, at the \(5 \%\) level of significance, test whether or not there is evidence to reject the teacher's claim. State your hypotheses clearly.