AS & A Level Mathematics (9709) — October–November 2023, Paper 53
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Becky sometimes works in an office and sometimes works at home. The random variable X denotes the number of days that she works at home in any given week. It is given that P(X =…
Answer this question and get it marked →The weights of large bags of pasta produced by a company are normally distributed with mean 1.5 kg and standard deviation 0.05 kg. Find the probability that a randomly chosen…
Answer this question and get it marked →Tim has two bags of marbles, A and B. Bag A contains 8 white, 4 red and 3 yellow marbles. Bag B contains 6 white, 7 red and 2 yellow marbles. Tim also has an ordinary fair 6-sided…
Answer this question and get it marked →The weights, x kg, of 120 students in a sports college are recorded and summarised in the cumulative frequency table provided. Draw a cumulative frequency graph to represent this…
Answer this question and get it marked →The probability that a driver passes an advanced driving test is 0.3 on any given attempt. Dipak keeps taking the test until he passes. The random variable X denotes the number of…
Answer this question and get it marked →Jai and his wife Kaz are having a party. Jai has invited five friends and each friend will bring his wife, making 12 people in total. At the beginning of the party, the 12 people…
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