1.

An instructor has a question bank consisting of 300 easy True/False question,200 difficult true/false questions, 500 easy multiple choice questions and 400 difficult multiple choice questions. If a question is selected from the test question bank, what is the probability that it will be an easy question given that it is a multiple choice question?

Answer»

Solution :The total number of MULTIPLE choice questions = 500+400 = 900.
Out of these 900 question, 500 are easy QESTIONS.
Hence,the REQUIRED probability=500/900=5/9


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