How many students correctly answered either the first or second question? The results from an exam taken
Question:
The results from an exam taken by 150 students were as follows:
90 students correctly answered the first question,
71 students correctly answered the second question,
66 students correctly answered both questions.
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Related Book For
Finite Mathematics and Its Applications
ISBN: 978-0134768632
12th edition
Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair
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