Maths Paper 1 Statistics
Minor 2025 Qp
| Detail | Information |
| :--- | :--- |
| **Exam Board** | OCR |
| **Qualification** | A Level Further Mathematics B (MEI) |
| **Paper Code** | Y432/01 |
| **Paper Title** | Statistics Minor |
| **Exam Date** | Friday 13 June 2025 (Afternoon) |
| **Time allowed** | 1 hour 15 minutes |
| **Total marks** | 60 |
| **Materials required** | Printed Answer Booklet, Formulae Booklet for Further Mathematics B (MEI),
scientific or graphical calculator |
## 📝 Full Question Paper
### Instructions
, - Use black ink. You can use an HB pencil, but only for graphs and diagrams.
- Write your answer to each question in the space provided in the **Printed Answer Booklet**.
- Fill in the boxes on the front of the Printed Answer Booklet.
- Answer **all** the questions.
- Where appropriate, your answer should be supported with working. Marks might be given for using a
correct method, even if your answer is wrong.
- Give your final answers to a degree of accuracy that is appropriate to the context.
- Do not send this Question Paper for marking. Keep it in the centre or recycle it.
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## Question 1
A discrete random variable, **X**, has a Poisson distribution with mean 4.
**(a)** Write down the value of Var(X). **[1 mark]**
**(b)** Find P(X = 3). **[1 mark]**
**(c)** Find P(X ≥ 3). **[2 marks]**
Another discrete random variable, **Y**, which is independent of X, has a Poisson distribution with
mean 5.