Distributions 0.0 / 5 ? Further MathsDistributions and ApproximationsA2/A-levelOCR Created by: Sarah123Created on: 25-05-17 13:12 What are the 4 distributions? Geometric, Binomial, Poissan, Normal 1 of 15 Which distributions are discrete? Geometric, Binomial, Poissan 2 of 15 Which distribution is continuous? Normal 3 of 15 What theorem allows the distributions to be approximated using other distributions? The Central Limit Theorem 4 of 15 If going from a discrete to a continuous distribution, what must you do? Continuity Corrections 5 of 15 Which distribution(s) can be used to approximate the binomial? Poissan, Normal 6 of 15 Which distribution(s) can be used to approximate Poissan? Normal only 7 of 15 Which distribution(s) can be used to approximate normal? None of them 8 of 15 What are the conditions required to approximate the binomial using the normal? np > 5 and nq > 5 9 of 15 What are the conditions required to approximate the binomial using Poissan? n > 50 and np < 5 OR n > 50 and p < 0.1 10 of 15 What are the conditions needed to approximate Poissan with normal? λ > 15 11 of 15 What is the correct way to write out the normal approximation of Poissan? X ~ N( λ , λ ) 12 of 15 What is the correct way to write out the Poissan approximation of the binomial? X ~ Po( np ) 13 of 15 What are the conditions needed for an event to modelled using the geometric distribution? independent, constant probability 14 of 15 What conditions are needed for an event to be modelled using binomial distribution? independent, constant probability 15 of 15
Comments
No comments have yet been made