A multiple choice examination is so constructed that, in principle, the prob ability of a correct choice

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A multiple choice examination is so constructed that, in principle, the probĀ¬

ability of a correct choice for any item by guessing alone is

f. If the test consists of 10 items, what is the probability that a student will have exactly 5 correct answers if he is just guessing?

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Statistics Probability Inference And Decision

ISBN: 9780030778056

1st Edition

Authors: Robert L. Winkler, William L. Hays

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