The distribution of the weights of coffee in a jar is normally distributed with a mean of 180 g and a standard deviation of 4.8 g.
Find the probability that the weight of the coffee is:
More than 186 g
Less than 174 g
Between 174 g and 186 g
616 exam-style questions on Edexcel A Level Maths The Normal Distribution, covering 3.1 The Normal Distribution, 3.2 Finding Probabilities for Normal Distributions, 3.3 The Inverse Normal Distribution Function, 3.4 The Standard Normal Distribution, 3.5 Finding the mean and standard deviation, 3.6 Approximating a Binomial Distribution, and 3.7 Hypothesis Testing with the Normal Distribution. Each one has a worked solution and a mark scheme showing where the marks go.