Mathematics A H230: Statistical Hypothesis Testing Topical Past Paper Questions

Some students at a large school are doing a survey about attitudes to school uniform. They want to give a questionnaire to a random sample of 50 students at their school. The school has three entrances. Gabi suggests giving the questionnaire to the first 50 students who arrive at…

Casey and Riley attend a large school. They are discussing the music preferences of the students at their school. Casey believes that the favourite band of 75% of the students is Blue Rocking. Riley believes that the true figure is greater than 75%. They plan to carry out a hypot…

The variable X has the distribution B(50, $ \frac{1}{6} $). The probabilities P(X = r) for r = 0 to 50 are given by the terms of the expansion of $ (a + b)^n $ for specific values of a, b and n. (a) State the values of $a$, $b$ and $n$. [1] A student has an ordinary 6-sided dice.…