A lecturer is interested in studying the pass rate of their module. In a particular year, 20 students sit the module and 3 students fail. binomial(n, p)The probability distribution for a binomial random variable X ~where n is the number of trials and p the success probability, is:n!P(X = x) =k!(n – k)!P^(1 – p)"-kn!Explain the role ofk!(n-k)! in the equation above.

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Answered: binomial(n, p) The probability…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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binomial(n, p) The probability distribution for a binomial random variable X ~ where n is the number of trials and p the success probability, is: n! P(X = x) = k!(n – k)!P*(1 – p)"-k Explain the role of n! k! (n-k)! in the equation above.