In a class of 40​students, 23 are​ Democrats, 7 are business​ majors, and 6 of the business majors are Democrats. If one student is randomly selected from the​ class, find the probability of choosing a Democrat or a business major.   P(Democrat or business major)=__________ ​(Simplify your answer. Type an integer or a simplified​ fraction.)

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.