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garri49 [273]
3 years ago
9

A single-channel queuing system has an average service time of 10 minutes and an average time between customer arrivals of 15 mi

nutes. Service times and inter-arrival times both have exponential distributions. Find: a.customer arrival rate b.average number of customers in queue c.average time customers spend in the system
Business
1 answer:
amm18123 years ago
7 0

Answer: (a ) 4 per hour (b ) 4.5 minutes (c ) 3 minutes

Explanation:

Average time between customer arrival = 15 minutes

Average service time = 10 minutes

(a) To calculate the customer arrival rate

Arrival rate = 1 / time between Arrival

= 1 / 15

= 0.066 × 60

= 4 per hour

(b) To calculate the average number of customers in queue

( Arrival time )^2 / service time ( service time - Arrival time)

= (15)^2 / 10 ( 10 - 15)

= 225 / 10 (-5)

= 225 / 50

= 4.5 minutes

(c) To calculate the average time customers spend in the system

Arrival time / service time - Arrival time

= 15 / 10 - 15

= 15/ -5

= 3 minutes

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4 years ago
At September 1, 2018, Swifty Co. reported stockholders’ equity of $156000. During the month, Swifty generated revenues of $37400
kenny6666 [7]

Answer:

$171,360

Explanation:

Given that,

At September 1, 2018, Swifty Co. reported stockholders’ equity = $156,000

Revenues = $37,400

Expenses = $20,000

Purchased equipment = $4,920

Paid dividends = $2,040

Net income:

= Revenues - Expenses

= $37,400 - $20,000

= $17,400

Stockholders’ equity at September 30, 2018:

= Beginning balance + Net income - Dividend paid

= $156,000 + $17,400 - $2,040

= $171,360

Therefore, the amount of stockholders’ equity at September 30, 2018 is $171,360.

4 0
3 years ago
Accounting software can help with which TWO of these tasks?
alexira [117]

Accounting software can help with which two of these tasks? B. keeping rack of bills to be sent to customers and D. keeping tract of after-sales services owned to customers. Accounting software is used by many companies so that they can keep track of their bills that need to be paid and how their sales and services are doing. Companies track all money coming in and going out of their office to make sure they are budgeting and distributing funds appropriately.

3 0
3 years ago
Read 2 more answers
Peggy started work after graduation and started investing. Why do you think Peggy would have decided to invest?
zheka24 [161]

Answer:

E. to take out a student loan for further education

Explanation:

8 0
3 years ago
On January 1, Kirk Corporation had total assets of $860,000. During the month, the following activities occurred: -. Kirk Corpor
posledela

Answer:

$867,000

Explanation:

Assets are economic resources controlled by the entity as a result of past events from which cash is expected to flow into the business.

The Amount of Total Assets Available is calculated as follows:

Beginning Balance                                $860,000

Equipment Acquired                                  $7,000

Supplies Inventory                                     $3,600

Cash payment for Supplies                      ($3,600)

Cost of Land sold                                     ($16,000)

Cash Proceeds from the sale of land      $16,000

Total Assets                                            $867,000

7 0
3 years ago
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