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At Medipol University, the classes are 50 minutes long. In a given class on average 10...

At Medipol University, the classes are 50 minutes long. In a given class on average 10
students check their phones. Probability class professor gets angry when the third students
checks his/her phone. (e) (5 Pts.) What is the probability that the professor will be angry in his third class?
(f) (5 Pts.) What is the probability that after 10 classes, the total number of students
who used their phones is less than 50?

Math   Statistics-And-Probability   
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