The volume of juice, V V\,V ml, in a certain brand of carton follows a normal distribution with a standard deviation of 15. It is known that P(V<400)=0.08P(V < 400) = 0.08P(V<400)=0.08. Find the mean volume of juice in a carton.
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.