In a test of H0H_0H0: p=0.25p = 0.25p=0.25 against H1H_1H1: p<0.25p < 0.25p<0.25, a sample gives P(X≤6)=0.0287P(X \le 6) = 0.0287P(X≤6)=0.0287.
State the conclusion of the test at the 5% significance level, giving a reason.
State the conclusion of the test at the 1% significance level, giving a reason.
40 exam-style questions on WJEC A Level Maths 2.5 Statistical hypothesis testing, covering 2.5.1 Statistical hypothesis testing, 2.5.2 Statistical hypothesis testing, 2.5.3 Statistical hypothesis testing, 2.5.4 Statistical hypothesis testing, and 2.5 Statistical hypothesis testing. Each one has a worked solution and a mark scheme showing where the marks go.