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Mathematics, 28.01.2021 17:20 adahlove
1. 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.
![ansver](/tpl/images/cats/User.png)
Answers: 1
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Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo
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1. A university professor fails 20% of his students in the final. After the final, he polls the stud...
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