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The idea of a random variable can be surprisingly difficult. In this video we help you learn what a random variable is, and the difference between discrete and continuous random variables. 0:00 Introduction 1:13 X is defined as the number of ice creams a customer orders 1:30 Historic data is used to estimate the probability of each number of ice creams 1:50 The distribution is graphed, find P(X=1) etc 3:07 Examples of discrete random variables, not random variables, and continuous random variables. 4:13 Quiz to check your understanding This video leads on to other videos about random variables and distributions: Discrete random variables: https://youtu.be/V_f_WY-9xto Probability distribution models: https://youtu.be/3VylC_mIAjE The normal distribution: https://youtu.be/mtH1fmUVkfE The binomial distribution: https://youtu.be/3EZbX2ftCUk See https://creativemaths.net/videos/ for all of Dr Nic's videos organised by topic. #DrNicStats #Statistics #Probability
