AS & A Level Further Mathematics (9231) — October–November 2024, Paper 42
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A scientist is investigating the lengths of the leaves of a certain type of plant. The scientist assumes that the lengths of the leaves of this type of plant are normally…
Answer this question and get it marked →The random variable X has probability generating function GX(t) given by GX(t) = 1/5 + p t + q t^2, where p and q are constants. Given that E(X) = 1.1, find the numerical value of…
Answer this question and get it marked →Rosie sows 5 seeds in each of 150 plant pots. The number of seeds that germinate is recorded for each pot. The results are summarised in the following table. Number of seeds that…
Answer this question and get it marked →The random variable X has probability density function f given by f(x) = (1/21)(x - 1)^2 for 2 <= x <= 5, f(x) = 0 otherwise. Find the cumulative distribution function of X. [3]
Answer this question and get it marked →Dev owns a small company which produces bottles of juice. He uses two machines, X and Y, to fill empty bottles with juice. Dev is investigating the volumes of juice in the…
Answer this question and get it marked →A sports college keeps records of the times taken by students to run one lap of a running track. The population median time taken is 51.0 seconds. After a month of intensive…
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