Time spent discussing material with students during office hours follow an exponential
distribution with mean of 15 minutes.
1.Write down and describe the exponential distribution.
2.Find λ.
3.Find the probability that a student spends less than 10 minutes discussing material in
office hours.
4.Find the probability that a student spends more than 3 minutes discussing material
during office hours.
So would really appreciate the help, overwhelmed with exams and assignments..pleease

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