Estimated expected value-discrete random variable


One hundred Lower Wabash Tech students take the 10-question multiple-choice test with 4 answers to each question, exactly one of which is correct. All of students are unprepared and should guess at each question.   

a. Of the 100 test takers, how many are expected to get each and every possible score?

b. Richard is one of the test takers. Find out the number of questions he can expect to get correct on test by random guessing.

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Basic Statistics: Estimated expected value-discrete random variable
Reference No:- TGS022317

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