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2021

Cambridge A Level ยท 9709 ยท Paper 5 ยท Probability & Statistics 1

Mathematics 9709/51 Oct/Nov 2021 past paper

Cambridge A Level Mathematics (9709) Paper 5 (Probability & Statistics 1), variant 1, Oct/Nov 2021: the question paper and its official mark scheme, 7 questions worth 50 marks, with the grade thresholds. Free to open, no account needed.

Questions
7
Marks
50
Grade A from
36
Open the question paperMark scheme

File names: 9709_w21_qp_51 ยท 9709_w21_ms_51

Grade thresholds for 9709/51 Oct/Nov 2021

The minimum raw marks Cambridge set for each grade on this component (out of 50). Thresholds change every session and variant, so always compare your score with the paper you actually sat.

ABCDE
3631241711

Topics in this paper

Which syllabus chapters 9709/51 Oct/Nov 2021 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Probability430
Representation of Data214
Random Variables16

Questions in 9709/51 Oct/Nov 2021

  1. Question 1Probability ยท 4 marks

    Two fair coins are thrown at the same time. The random variable X is the number of throws of the two coins required to obtain two tails at the same time. (a) Find the probability that two tails are obtained โ€ฆ

  2. Question 2Representation of Data ยท 4 marks

    A summary of 40 values of x gives the following information: โ€ฆ

  3. Question 3Probability ยท 5 marks

    For her bedtime drink, Suki has either chocolate, tea or milk with probabilities 0.45, 0.35 and 0.2 respectively. When she has chocolate, the probability that she has a biscuit is 0.3. When she has tea, the probability that she has โ€ฆ

  4. Question 4Random Variables ยท 6 marks

    A fair spinner has edges numbered โ€ฆ

  5. Question 5Probability ยท 10 marks

    Raman and Sanjay are members of a quiz team which has 9 members in total. Two photographs of the quiz team are to be taken. For the ๏ฌrst photograph, the 9 members will stand in a line. (a) How many โ€ฆ

  6. Question 6Representation of Data ยท 10 marks

    The weights, in kg, of 15 rugby players in the Rebels club and 15 soccer players in the Sharks club are shown below. Rebels โ€ฆ

  7. Question 7Probability ยท 11 marks

    The times, in minutes, that Karli spends each day on social media are normally distributed with mean 125 and standard deviation โ€ฆ

Other Mathematics papers from Oct/Nov 2021

Questions students ask

Where can I get the 9709/51 Oct/Nov 2021 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (9709_w21_ms_51), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 9709/51 Oct/Nov 2021?
36 marks out of 50, a C needed 24.
Which topics came up in 9709/51 Oct/Nov 2021?
Mostly Probability, Representation of Data, Random Variables. The full list is in the table above.
Do I need an account to open 9709/51 Oct/Nov 2021?
No. Every paper opens for free without signing in. A free account also saves your pen marks and records your score against the grade thresholds.