Problem 3: In a group of 36 people there are 20 Latvian citizens, 17 Burmese citizens, and16 Tongan citizens. (And no citizens of other countries.) There are 7 people that have bothLatvian and Burmese citizenship, 8 people that have both Latvian and Tongan citizenship,and 6 people tha thave both Burmese and Tongan citizenship. How many people in thisgroup are citizens of all three countries?

The intersection of any set is the set of elements that are the same as any set given sets i.e. set…

Answered: Problem 3: In a group of 36 people…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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The Jonesburgh County Basketball Conference (JCBC) is an amateur basketball association. Each cityin the county has one team as its representative. Each team has a maximum of 12 players and aminimum of 9 players. Each team also has up to three coaches (offensive, defensive, and physicaltraining coaches). During the season, each team plays two games (home and visitor) against each of theother teams. Given those conditions, do the following:a. Identify the connectivity of each relationship.b. Identify the type of dependency that exists between CITY and TEAM.c. Identify the cardinality between teams and players and between teams and city.d. Identify the dependency between coach and team and between team and player.e. Draw the Chen and Crow’s Foot ERDs to represent the JCBC database.f. Draw the UML class diagram to depict the JCBC database.
7 staff members including Timmy, Jake, Stephan, and Sarah are to go on a trip. The van that they will be taking has 2 seats at the front, 2 in the middle, and 3 at the back. How many ways can they be seated (safely and legally) if: (a) Timmy and Sarah cannot drive (b) On top of (a)’s restriction, someone from Jake, Stephan, or Sarah needs to sit on the passenger's seat to help give direction to the driver.
A call center has 60 employees on‐line, each of whom make one phone call every 3 min on average, and talk on average for 2 min. Each call costs 15¢. What is the total traffic in erlangs? How many circuits are required for a GoS of 1%? How much should the yearly (250 working days, 8 working hours a day) lease price be for the company to make a 50% saving in its telephone bills over the first 3 years? Assume the lease set‐up fee of $30,000 should be paid over a period of 3 years.
Problem 1. (Lee's Barber shop). Lee operates a barber shop. Today, five customers made reservation as below and they will arrive the barber shop sharply. Lee is the only barber, so if Lee is busy that customers will wait in the waiting area. First come first service policy will be observed. Customer Wayne Beckham Potter Rogers Owen Reservation Time 12:05PM 12:12PM 12:15PM 12:25PM 12:45PM Q1-1. Draw the number of customers in the waiting line over an hour (from 12PM to 1PM). Q1-2. Fill out the following 10 blanks. Customer Waiting Time Service Time (Duration) 15 mins 12 mins 8 mins 15 mins 5 mins Wayne Beckham Potter Rogers Owen Q1-3. What are the average waiting time and the average system time? Q1-4. What are the average queue length and Lee's utilization? 1 System Time
Solve the following problem using the principle of inclusion and exclusion: Suppose there are only three types of faculties in a college: the newly recruitedlab professors (LP), the assistant professors (AP), and the teaching professors (TP). Eachprofessor has to be at least in one of these three categories. And the total number of professorsin the school is 1230. Suppose that the following is given:The number of faculties who are LP is 320.The number of faculties who are AP is 750.The number of faculties who are TP is 460.The number of faculties who are both LP and AP is 20.The total of faculties who are both LP and TP is 130.The total of faculties who are both AP and TP is 190. What is the total number of faculties who fit into all 3 categories?
The cold medicine Dozenol lists 600 mg of acetaminophen per fluid ounce as an active ingredient. The Food and Drug Administration would like to make sure that Dozenol contains the correct amount. Assume that the amount of acetaminophen per fluid ounce is normally distributed with standard deviation 21 mg. They test 65 one-ounce samples of the medicine and finds that the mean amount of acetaminophen for the sample is 589 mg. Does this give them sufficient evidence that Dozenol contains the correct amount of acetaminophen?
2. Given a worksheet that stores the top 5 students' marks. The Final marks are calculated as 25% of Term1 marks + 30% of Term2 marks and 45% of Terms3 marks. The Term3 marks entered in the worksheet are estimated marks. In order to avail the scholarship, the student must obtain final % as > 80%. 15 16 Name 17 Tarun 18 Tabassum 19 Krishanan 20 Abraham 21 Simran 22 B Term1 360 377 410 390 380 D Max Marks : 500 Term2 Term3 389 355 390 360 368 410 430 460 450 410 Final =B18*0.25 +C18*0.3+D18*0.45 391.2 394.25 426.5 408 389.9 Final % 78.24 78.85 85.3 81.6 77.98 =E17 / 500 % Estimate how much Term3 marks would be required by each student to meet this condition. For this : (i) Either use Goal Seek by taking target cell from Final % column and variable cell from Term3 column. (ii) Or use Scenario for Term3 values to get desired result in Final %.

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