15. The usual method for teaching a particular self-care skill to retarded persons is effective in 50
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15. The usual method for teaching a particular self-care skill to retarded persons is effective in 50 percent of the cases. A new method is tried with 10 persons. If the new method is no better than the standard, what is the probability that seven or more will learn the skill?
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Related Book For
Biostatistics A Foundation For Analysis In The Health Sciences
ISBN: 9780471163862
7th Edition
Authors: Wayne W Daniel
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