Mathematics Probability & Statistics 1 9709: THE NORMAL DISTRIBUTION Topical Past Paper Questions
Cambridge AS & A Level Mathematics Probability & Statistics 1 (9709) past-paper questions on THE NORMAL DISTRIBUTION, free. This topic is frequently examined across 20 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The masses of boxes of sweets of a certain brand are normally distributed with mean 420 grams and standard deviation 6.4 grams. (a) Find the probability that a randomly chosen box of these sweets has a mass between 412 grams and 424 grams. ： The masses of boxes of sweets of a sec…
A large number of runners took part in two charity runs to raise money for a new community centre. In the first run, the times to complete the run were normally distributed with mean 46.3 seconds and standard deviation 6.4 seconds. (a) Find the probability that a randomly chosen…
A company sells small and large bags of rice. The masses of the small bags of rice are normally distributed with mean 1.20kg and standard deviation 0.16kg. (a) In a random sample of 500 of these small bags of rice, how many would you expect to have a mass greater than 1.26kg? [4]…
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