AS & A Level Mathematics (9709) — October–November 2024, Paper 53
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →30% of the residents of Wimfield own an electric car. Three residents are chosen at random. Find the probability that either all three own an electric car or none of them owns an…
Answer this question and get it marked →A red fair six-sided dice has faces labelled 1, 1, 1, 2, 2, 2. A blue fair six-sided dice has faces labelled 1, 1, 2, 2, 3, 3. Both dice are thrown. The random variable X is the…
Answer this question and get it marked →In Molimba, the heights, in cm, of adult males are normally distributed with mean 176 cm and standard deviation 4.8 cm. Find the probability that a randomly chosen adult male in…
Answer this question and get it marked →On a certain day, the heights of 150 sunflower plants grown by children at a local school are measured, correct to the nearest cm. These heights are summarised in the following…
Answer this question and get it marked →A factory produces chocolates. 30% of the chocolates are wrapped in gold foil, 25% are wrapped in red foil and the remainder are unwrapped. Indigo chooses 8 chocolates at random…
Answer this question and get it marked →Find the number of different arrangements of the 9 letters in the word HAPPINESS.
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