Week 1 Homework
Due Jan 19 at 11:59pm Points 13 Questions 13
Available Jan 10 at 8am - Jan 19 at 11:59pm 10 days Time Limit None
Instructions
Please answer all the questions below.
This quiz was locked Jan 19 at 11:59pm.
Attempt History
Attempt Time Score
KEPT Attempt 2 1,498 minutes 13 out of 13
LATEST Attempt 2 1,498 minutes 13 out of 13
Attempt 1 5,398 minutes 12 out of 13
Score for this quiz: 13 out of 13
Submitted Jan 19 at 3:05pm
This attempt took 1,498 minutes.
Question 1 pts
(Lesson 1.3: Deterministic Model.) Suppose you throw a rock off a cliff
having height = 1000 feet. You're a strong bloke, so the initial downward
velocity is = -100 feet/sec (slightly under 70 miles/hr). Further, in this neck
of the woods, it turns out there is no friction in the atmosphere - amazing!
Now you remember from your Baby Physics class that the height after time
is
When does the rock hit the ground?
a. -11.625 sec
b. 2 sec
, Correct!
Question 2 pts
(Lesson 1.3: Stochastic Model.) Consider a single-server queueing system
where the times between customer arrivals are independent, identically
distributed Exp(λ = 2/hr) random variables; and the service times are i.i.d.
Exp(µ = 3/hr). Unfortunately, if a potential arriving customer sees that the
server is occupied, he gets mad and leaves the system. Thus, the system
can have either 0 or 1 customer in it at any time. This is what’s known as an
Due Jan 19 at 11:59pm Points 13 Questions 13
Available Jan 10 at 8am - Jan 19 at 11:59pm 10 days Time Limit None
Instructions
Please answer all the questions below.
This quiz was locked Jan 19 at 11:59pm.
Attempt History
Attempt Time Score
KEPT Attempt 2 1,498 minutes 13 out of 13
LATEST Attempt 2 1,498 minutes 13 out of 13
Attempt 1 5,398 minutes 12 out of 13
Score for this quiz: 13 out of 13
Submitted Jan 19 at 3:05pm
This attempt took 1,498 minutes.
Question 1 pts
(Lesson 1.3: Deterministic Model.) Suppose you throw a rock off a cliff
having height = 1000 feet. You're a strong bloke, so the initial downward
velocity is = -100 feet/sec (slightly under 70 miles/hr). Further, in this neck
of the woods, it turns out there is no friction in the atmosphere - amazing!
Now you remember from your Baby Physics class that the height after time
is
When does the rock hit the ground?
a. -11.625 sec
b. 2 sec
, Correct!
Question 2 pts
(Lesson 1.3: Stochastic Model.) Consider a single-server queueing system
where the times between customer arrivals are independent, identically
distributed Exp(λ = 2/hr) random variables; and the service times are i.i.d.
Exp(µ = 3/hr). Unfortunately, if a potential arriving customer sees that the
server is occupied, he gets mad and leaves the system. Thus, the system
can have either 0 or 1 customer in it at any time. This is what’s known as an
