The table below shows the educational attainment of a country's population, aged 25 and over. Use the data in the table, expressed in millions, to find the probability that a randomlyselected citizen, aged 25 or over, had 4 years of college.MaleFemaleTotalLess Than4 YearsHigh School1316294 Years Some CollegeHigh School (Less ThanOnly4 Years)2417302154384 YearsCollege(or More)221840Total7685161CThe probability that a randomly selected citizen, aged 25 or over, had 4 years of college isType an integer or a simplified fraction.)

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Answered: The table below shows the educational…

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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Alex surveyed some students at his school, asking about their favorite sport and whether they have a pet. What is the probability that a student in this survey has pets? Has Pets No Pets Total O 0.063 Basketball 16 12 28 O 0.110 Football 90 72 162 O 0.433 Baseball 38 26 64 O 0.567 Total 144 110 254 O 0.642
In a class of students, the following data table summarizes the gender of the students and whether they have an A in the class. What is the probability that a student chosen randomly from the class is a female who has an A? Has an A Does not have an A Female Male 5 2 4 12
What is the probability of randomly selecting a Old product, given you selected a Senior? New product Old product Totals Senior 13 21 34 Adult 20 15 35 Totals 33 36 69
In a class of students, the following data table summarizes how many students passed a test and complete the homework due the day of the test. What is the probability that a student chosen randomly from the class did not complete the homework? Passed the test Failed the test Completed the homework 11 7 Did not complete the homework Answer: Submit Answer attempt 4 out of 4 problem 1 out of max 1
A marketing company has randomly surveyed 204 men who watch professional sports. The men were separated according to their educational level (college degree or not) and whether they preferred the NBA or the National Football League (NFL). The results of the survey are shown to the right. Complete parts a through d. Sports Preference NBA College Degree 36 No College O Degree 58 NFL 19 91 a. What is the probability that a randomly selected survey participant prefers the NFL? (Round to four decimal places as needed.) b. What is the probability that a randomly selected survey participant has a college degree and prefers the NBA? (Round to four decimal places as needed.) c. Suppose a survey participant is randomly selected and you are told that he has a college degree. What is the probability that this man prefers the NFL? (Round to four decimal places as needed.) d. Is a survey participant's preference for the NBA independent of having a college degree? No. The two events are not…
Full Time Part Time Boys 3 10 13 Girls 16 11 27 total 19 21 40 A student selected at random. What is the probability that the selected student is from girls given that she is from part time?
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The following table represents the highest educational attainment of all adult residents in a certain town. If a resident who has a master's degree is chosen at random, what is the probability that they are aged 30-39? Round your answer to the nearest thousandth. High school only Some college Bachelor's degree Master's degree Total Age 20- 29 Age Age 30- 40- 39 49 642 666 879 Age 50 & over 1511 1352 1458 1091 461 688 580 4194 3699 3273 1338 3525 Total 1580 993 356 1281 4210 1068 5412 2797 4778 15944
The following table represents the highest educational attainment of all adult residents in a certain town. If a resident who is aged 20-29 is chosen at random, what is the probability that they have completed a master's degree? Round your answer to the nearest thousandth. High school only Some college Bachelor's degree Master's degree Total Answer: Age 20-29 Age 30-39 Age 40-49 Age 50 & over 1830 707 885 1031 773 3396 992 1474 1511 344 4321 570 1584 1375 578 4107 Submit Answer 1075 1016 1314 5235 Total 4099 5018 4933 3009 17059 Te STORE 18
The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions,assume these values are not changing from year to year, and that the population of the United States is 312 millionpeople. Cause of Death in US Cause Number of deaths Passenger car occupant 13,100 Motorcycle driver 4,500 Tornado 553 Skydiving 56 What is the probability that you died as a passenger car occupant last year?
The following table represents the highest educational attainment of all adult residents in a certain town. If an adult is chosen randomly from the town, what is the probability that they have a high school degree or some college, but have no college degree? Round your answer to the nearest thousandth. Age 20-29 Age 30-39 | Age 40-49 | Age 50 & over Total High school only 1360 1326 397 859 3942 Some college 1536 1140 1092 2724 6492 Bachelor's degree 978 1387 958 1002 4325 Master's degree 464 1001 351 195 2011 Total 4875 4204 2642 5049 16770
Data from a survey can allow one to estimate how many people who classified their work status as part-time or full-time actually worked in the last week. Find the probability that the hours worked were 29 or less given that the worker was part-time. Labor Force Status Full-Time Worker Part-Time Worker Total 0-19 20-29 30-39 40-49 25 Hours Worked in the Last Week 50 or More 74 99 45 134 693 378 1275 Total 81 83 42 23 303 126 217 735 401 1578 The probability that the hours worked were 29 or less and that the worker was part-time is (Round to four decimal places as needed.) The probability that the hours worked were 29 or less given that the worker was part-time is (Round to four decimal places as needed.)

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