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Factorial
Statistics - Factorial
Factorial is a function appped to natural numbers greater than zero. The symbol for the factorial function is an exclamation mark after a number, pke this: 2!
Formula
${n! = 1 imes 2 imes 3 ... imes n}$
Where −
${n!}$ = represents factorial
${n}$ = Number of sets
Example
Problem Statement:
Calculate the factorial of 5 i.e. 5!.
Solution:
Multiply all the whole numbers up to the number considered.
${5! = 5 imes 4 imes 3 imes 2 imes 1 , \[7pt] , = 120}$ Advertisements