The distribution of the weights of coffee in a jar is normally distributed with a mean of 200 g and a standard deviation of 4.2 g.
Find the probability that the weight of the coffee is:
More than 205 g
Less than 195 g
Between 195 g and 205 g
390 exam-style questions on AQA A Level Maths 2.4 N: Statistical distributions, covering 2.4.1 Discrete distributions and the binomial, 2.4.2 The Normal distribution (A-level only), and 2.4.3 Selecting an appropriate distribution (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.