Sample Mean Distribution What is the distribution of the sample means? For any given population it can often be difficult or impractical to find the true value of the population mean, µ The populat...
Binomial Hypothesis Testing How is a hypothesis test carried out with the binomial distribution? The population parameter being tested will be the probability, p in a binomial distribution B(n , p...
Language of Hypothesis Testing What is a hypothesis test? A hypothesis test uses a sample of data in an experiment to test a statement made about the value of a population parameter A hypothesis te...
Normal Approximation of Binomial When can I use a normal distribution to approximate a binomial distribution? Worked Example (i)Explain why a normal distribution can be used to approximate the dist...
Modelling with Distributions When should I use a binomial distribution? A random variable that follows a binomial distribution is a discrete random variable A binomial distribution is used when the...
Standard Normal Distribution What is the standard normal distribution? The standard normal distribution is a normal distribution where the mean is 0 and the standard deviation is 1 It is denoted by...
Calculating Normal Probabilities How do I find probabilities using a normal distribution? The equation of a normal distribution curve is complicated so the area must be calculated numerically You w...
Properties of Normal Distribution The binomial distribution is an example of a discrete probability distribution. The normal distribution is an example of a continuous probability distribution. Wha...
Calculating Binomial Probabilities How do I calculate, P(X = x) the probability of a single value for a binomial distribution? You should have a calculator that can calculate binomial probabilities...
