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Twenty students take an exam. Each student spends an exponential amount of time on problem 5, with an average of 8 minutes per student. What
Twenty students take an exam. Each student spends an exponential amount of time on problem 5, with an average of 8 minutes per student.
- What is the density of the sum of time that the 20 students spend on problem 5 altogether?
- Use R or some other technology to find P(X 150)
- What is the expected time E(X)?
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