Mathematics, 21.01.2021 22:00 brapmaster764
A university professor fails 20% of his students in the final. After the final, he polls the students and asks
how many of them studied more than 3 hours for it. Of those who passed the final, 72% said that they
studied for it. Of those who failed the final, 31% said they studied for it. Make a tree diagram for this
problem and then answer the following questions.
Answers: 1
Mathematics, 21.06.2019 18:00
Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2
Answers: 2
A university professor fails 20% of his students in the final. After the final, he polls the student...
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