AS & A Level Further Mathematics (9231) — October–November 2023, Paper 41
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Maya is an athlete who competes in 1500-metre races. Last summer her practice run times had mean 4.22 minutes. Over the winter she has done some intense training to try to improve…
Answer this question and get it marked →A town council has published its plans for redeveloping the town centre and residents are being asked whether they approve or disapprove. A random sample of 250 responses has been…
Answer this question and get it marked →Scientists are studying the effects of exercise on LDL blood cholesterol levels. Over a three-month period, a large group of people exercised for 20 minutes each day. For a…
Answer this question and get it marked →As shown in the diagram, the continuous random variable X has probability density function f given by f(x) = m x for 0 <= x <= 2, f(x) = k/x^2 + c for 2 <= x <= 6, f(x) = 0…
Answer this question and get it marked →The random variable X has the geometric distribution Geo(p). (a) Show that the probability generating function of X is (p t)/(1 - q t), where q = 1 - p.
Answer this question and get it marked →A school is conducting an experiment to see whether the distance that children can throw a ball increases in hot weather. On a cold day, all the children at the school were asked…
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