9709/62 · Oct/Nov 2024
Probability & Statistics 2 · 50 marks · 7 questions
- Question 13 marks
Poisson approximation to a binomial probability.
- Question 24 marks
Read a confidence interval for a mean and estimate the standard deviation.
- Question 36 marks
Binomial hypothesis test at 10%, and whether the model suits the context.
- Question 46 marks
Distribution of the sample mean: a probability, then a boundary value.
- Question 511 marks
Poisson probabilities, sums and a normal approximation.
- Question 611 marks
Continuous distribution: constants and the median.
- Question 79 marks
Type I error, a large-sample test of a mean, and a Type II claim.