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School board officials are debating whether to re-quire all high school seniors to take a proficiency exam before graduating. A student passing all three parts (mathematics, language skills, and general knowledge) would be awarded a diploma; otherwise, he or she would receive only a certificate of attendance. A practice test given to this year’s ninety-five hundred seniors resulted in the following numbers of failures:
If “Student fails mathematics,” “Student fails language skills,” and “Student fails general knowledge” are independent
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An Introduction to Mathematical Statistics and Its Applications (6th Edition)
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill