During the first round of enrollment, students begin registering for classes at the top of each hour. There’s a mad rush at the beginning of the hour, and then logins taper off. Let X(t) = the number of logins t minutes into the hour, and suppose X(t) can be modeled by a nonhomogeneous Poisson process with intensity function 2(t) = 500/(t + 1)² for 0 < t < 60. (a) What is the expected number of students that will log into the registration system in the first %3D 5 min of the hour? In the last 5 min of the hour? (b) What is the probability that no students log in during the last 5 min of an hour? (c) The registration system will crash if more than 450 students log in during any 5-min period. What is the probability that this occurs in the first 5 min of an hour? (You will need to use software or a Central Limit Theorem approximation to determine this probability.)

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
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Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 56SE: Recall that the general form of a logistic equation for a population is given by P(t)=c1+aebt , such...
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During the first round of enrollment, students begin registering for classes at the top of each hour.
There's a mad rush at the beginning of the hour, and then logins taper off. Let X(t) = the number
of logins t minutes into the hour, and suppose X(t) can be modeled by a nonhomogeneous Poisson
process with intensity function 1(t) = 500/(t + 1)² for 0 < t < 60.
(a) What is the expected number of students that will log into the registration system in the first
5 min of the hour? In the last 5 min of the hour?
(b) What is the probability that no students log in during the last 5 min of an hour?
(c) The registration system will crash if more than 450 students log in during any 5-min period.
What is the probability that this occurs in the first 5 min of an hour? (You will need to use
software or a Central Limit Theorem approximation to determine this probability.)
Transcribed Image Text:During the first round of enrollment, students begin registering for classes at the top of each hour. There's a mad rush at the beginning of the hour, and then logins taper off. Let X(t) = the number of logins t minutes into the hour, and suppose X(t) can be modeled by a nonhomogeneous Poisson process with intensity function 1(t) = 500/(t + 1)² for 0 < t < 60. (a) What is the expected number of students that will log into the registration system in the first 5 min of the hour? In the last 5 min of the hour? (b) What is the probability that no students log in during the last 5 min of an hour? (c) The registration system will crash if more than 450 students log in during any 5-min period. What is the probability that this occurs in the first 5 min of an hour? (You will need to use software or a Central Limit Theorem approximation to determine this probability.)
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