The volume of juice in a specific brand of bottle follows a normal distribution. 5% of bottles contain less than 480 ml. 15% of bottles contain more than 510 ml.
Find the mean and standard deviation of the volumes of juice in these bottles.
48 exam-style questions on Edexcel A Level Maths 3.5 Finding the mean and standard deviation. Each one has a worked solution and a mark scheme showing where the marks go.