Mathematics S1,S2,S3 WST01: Mathematical Models in Probability and Statistics Topical Past Paper Questions
Edexcel A Level Mathematics S1,S2,S3 (WST01) past-paper questions on Mathematical Models in Probability and Statistics, free. This topic is regularly examined across 12 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Statistical models are a cheap and quick way to make predictions about real-world situations. (a) Give one other reason why statistical models are used. (1) Madison wants to develop a model to describe the relationship between the average daily temperature, $ t^{\circ} $C, and a…
A garage sells tyres. The number of customers arriving at the garage to buy tyres in a 10-minute period is modelled by a Poisson distribution with mean 2 (a) Find the probability that (i) fewer than 4 customers arrive to buy tyres in the next 10 minutes, (ii) more than 5 customer…
The continuous random variable X has probability density function $$ \mathrm{f}(x)=\left\{\begin{aligned}&0.1x&&0\leqslant x (4) (b) (i) Find the exact value of $a$ (ii) Find the exact value of P(0 ≤ X ≤ 5.5) (3) (c) Specify fully the cumulative distribution function of $X$ (9)(0…
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