A survey was carried out on 150 tourists to Wales asking which of the following museums, if any, they had visited:• St Fagans National History Museum• National Museum Cardiff• Big Pit National Coal Museum27 of the visitors had visited St Fagans National History Museum and National Museum Cardiff and, of these, 8 had visited all themuseums.72 of the people had visited Big Pit National Coal Museum.70 of the people had visited St Fagans National History Museum.Some further information is given on the Venn diagram below. How many visitors had visited National Museum Cardiff?St FagansNational History National CoalMuseumBig PitMuseum201021National Museum National MuseumCardiff38B5828D48

We have to find how many visitors had visited National Museum Cardiff.

Answered: A survey was carried out on 150…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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1. The following table is the result of a survey regarding age group and whether or not a person has visited a physician in the past year. The results are in the table below. VISITED PHYSICIAN AGE GROUP Yes No Total Young 22 93 115 Old 37 67 104 Total 59 160 219 a) What percentage of people were young? b) What percentage of old people did not visit a physician in the past year?
1) The question screenshot has been attached down below answer step-by-step ques 2 a and b.
An online music service surveyed 500 customers and found that 270 listen to hip-hop music, 320 listen to rock, and 160 listen to country. In addition, 140 listen to both rock and hip-hop, 120 listen to rock and country, and 80 listen to hip-hop and country. Finally, 50 listen to all three. Draw a Venn diagram to represent the results of the survey and find the number of customers who: A. Listen to only hip-hop. B. Listen to rock and country but not hip-hop. C. Don't listen to any of these three types of music. D. Don't listen to country music.
A survey of 125 freshmen business students at a local university produced the results listed below. How many students took only music? 30 took English;33 took math;32 took music;14 took English but not math;9 took math and music;12 took English and music;3 took all three
"Tech D" has collected data concerning their 622 employees: 305 are married; 332 are over 40 years old; 311 are female; 196 are married and over 40; 181 are married and female; 235 are over 40 and female; 126 are married, over 40, and female. How many employees are over 40 and not married? You may want to draw a Venn Diagram to illustrate this situation.
2. The Department of Fish and Wildlife looked at the ages of individuals between 65 and 81 that frequented the Bolsa Chica Reserve during the week of June 13th, 2021, to help determine if more facilities and resources are necessary to support the needs of that age group. They determined there were 40 individual visitors that fit those criteria, with the following ages: 65, 66, 66, 67, 67, 67, 68, 68, 68, 68, 69, 69, 69, 69, 69, 69, 70, 70, 70, 70, 70, 71, 71, 71, 71, 72, 72, 72, 73, 73, 73, 74, 74, 75, 75, 76, 77, 78, 79, and 80. Age (years) Number of Visitors 65 1 66 2 67 3 68 4 69 6 70 5 71 4 72 3 73 3 74 2 75 2 76 1 77 1 78 1 79 1 80 1 81+ 0 What would you say is the best measure of central tendency for the weekly visitor distribution? How should the Department of Fish and Wildlife report it? Justify your response.
A survey of 150 freshmen business students at a local university produced the results listed below. How many students took only religion? 35 took history;42 took science;43 took religion;19 took history but not science;14 took science and religion;15 took history and religion;6 took all three
Determine what the key terms refer to in the following survey. To determine the average number of classes Santa Ana College students were taking, a sample of 30 Santa Ana College students were given and answered the following survey. How many classes you are taking this semester. o 1 o 2 o 3 o 4 Sample a. In average, those 30 students were taking 2.5 classes Parameter b. In average, all students in Santa Ana College were taking 2.6 classes Population c. The 30 Santa Ana College students who were surveyed Statistic d. All students in Santa Ana College
2. A criminal profiler is seeking to create a profile and notes that a suspect liked to watch the fire trucks arrive at the fires that he set. What is this an example of? Antecedent Body disposal Post-offense behavior Method and manner
2. Which of the following groups of students at Oxnard College would be smallest? Students that are taking a history class. Students that are taking a math class. Students that are taking a history class or a math class. Students that are taking a history class and a math class.
Sixteen people sign up for a weight-loss class and the amount of weight lost at the end of the two-month period (in pounds) is as follows: 5 10 8 7 25 12 5 14 11 10 21 9 8 11 18 10Sixteen people sign up for a weight-loss class and the amount of weight lost at the end of the two-month period (in pounds) is as follows: 5 10 8 7 25 12 5 14 11 10 21 9 8 11 18 10 What is the value of n? Compute the (approximate) value of the 82nd percentile (ungrouped). Compute the (approximate) value of the 82nd percentile (grouped). Use the Grouped Distribution method for the following exercise (see Self-Test 2-4 for detailed instructions), rounding each answer to the nearest whole number. Using the frequency distribution below (scores on a statistics exam taken by 80 students), determine:ion 1 of the preliminary test (scores on a statistics exam taken by 80 students), determine: 68 84 75 82 68 90 62 88 76 93 73 79 88 73 60 93 71 59 85 75 61 65 75 87 74 62 95 78 63 72 66 96 79 65 74 77 95 85 78…
3. The director of library services at Fairmont College did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 4217 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area % Books in Circ Library on this Subject No. of Books in the Sample on this Subject Business 32% 1210 Humanities 25% 956 Natural Science 20% 940 Social Science 15% 814 Other Subject 8% 297 Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students.

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