Information about calculating the probability

Reference no: EM13104191

An instructor has a test bank consisting of 300 easy true-false questions, 200 difficult true-false questions, 500 easy multiple choice questions and 400 difficult multiple choice questions.

If a question is selected at random from the test bank, what is the probability that it will be:

a) An easy question

b) An easy multiple choice question

c) An easy question, given that it is a multiple choice question

Reference no: EM13104191

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