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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Related Book For
Statistics Probability Inference And Decision
ISBN: 9780030778056
1st Edition
Authors: Robert L. Winkler, William L. Hays
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