HP 12c Platinum Reference Manual page 143
Hp 12c platinum: reference guide
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Also See for 12c Platinum:
- User manual (288 pages) ,
- Owner's handbook manual (213 pages) ,
- Solutions handbook (166 pages)
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n: Unused
FV: Unused
R
: L
3
q
R
: n
7
R
: Unused
.1
Program Instructions:
1. Key in the program and press f CLEAR H .
2. Key in the number of servers, n and press ? 0 ? 7.
RPN Mode:
3. Key in the arrival rate of customers, λ and press ? 8.
4. Key in the service rate of each server, µ and press ? 9.
5. Press z?. 0 to calculate and store ρ the intensity factor.
ALG Mode:
3. Key in the arrival rate of customers, λ and press ? 8 z .
4. Key in the service rate of each server, µ and press ? 9.
5. Press ³?. 0 to calculate and store ρ the intensity factor.
6. Press t to see T
that all servers are idle, by pressing : 1. Display P
busy by pressing : 2. Display L
: 3. Display L, the average number in the system (waiting and being served), by
pressing : 4.
Display T, average total time through the system, by pressing : 5. T
waiting time in the queue, may again be displayed by pressing : 6.
7. If desired, calculate P(t), the probability of waiting longer than a given time, by keying
in the time and pressing t .
8. Repeat step 7 for other times of interest.
Example 3: Using the data from example 1 of the keystroke solutions verify the data
obtained. In addition, obtain P
the probability that all the tellers are busy. What is the probability that a customer will
have to wait 2 minutes or more?
REGISTERS
i: Unused
R
: K
0
R
: L
4
R
: λ
8
, the average waiting time in the queue. Display P
q
, average number waiting in the queue by pressing
q
, the probability that none of the tellers are busy, and P
0
PV: Unused
R
: P
1
0
R
: T
5
R
: µ
9
, probability that all servers are
b
Miscellaneous
PMT: Unused
R
: P
2
b
R
: Used, T
6
q
R
: ρ
.0
, probability
0
, the average
q
143
b
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