In a recent survey, 500 participants were asked about their favoritegenre of movies. The results showed that 40% preferred action movies,30% preferred comedy, 20% preferred drama, and the remainingparticipants preferred other genres.1. How many participants preferred action movies?2. How many participants preferred comedy movies?3. How many participants preferred drama movies?4. How many participants preferred other genres?

Answers:1. To calculate the number of participants who preferred action movies: - Multiply the…

Answered: In a recent survey, 500 participants…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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2. Molly really enjoyed country music. After listening one afternoon to her favorite station foran hour, she had heard 25 songs. All but 1 song were about either truck drivers, being in love,hound-dog owners, or some combination of the three. She noted the following information: Allof the truck drivers were in love. Three-fourths of the truck drivers were not hound-dogowners. There were six hound-dog owners who were in love. Of the hound-dog owners whowere not truck drivers, half of them were in love. Eighty percent of all the songs concernedpeople in love. How many songs concerned people who were in love but were neither truckdrivers nor hound-dog owners?
The Fitness Today Gym recommends exercising 3 hours a week for a healthier body. Comparing health of people who do not exercise with people who exercise 3 hours a week, and those who exercise 6 hours a week, you concluded that people who exercised 6 hours a week ended up healthier than the no exercise group and the group with only 3-hour exercise. Which among the choices further reflects the conclusion? * O There is no difference between groups. O There is a difference between groups. There is no difference within groups. O All of the above. O None of the above.
You are studying objects from four groups: A, B, C, and D. You take measurements on each object in the groups. 243 a. The middle 50% of objects in group B have a measurement between and b. Which group has the largest range? c. The median of group C is
1. A new brand of chocolate bar is being market tested. Four hundred of the new chocolate bars were given to consumers to try. The consumers were asked whether they liked or disliked the chocolate bar. You are given their responses below. A Response Frequency Liked 360 Disliked 40 Total 400
A survey of 50 students showed that 25 were taking psychology, 20 were taking math, and 8 were taking neither. The number taking both was: 45 50 53 3 None of these
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
Each accountant at a large accounting firm was classified according to accountant level (junior or senior) and method of transportation to work (walk, bus, drive alone, or carpool). The responses of the 320 accountants at the firm are summarized in the table. Junior Senior Total Walk 25 3 28 Bus 87 12 99 Drive alone 96 25 121 Carpool 52 20 72 Total 260 60 320 What proportion of the accountants at the firm are at the senior level and carpool to work? 20 (A) 60 20 (B) 72 (C) 20 320 112 (D) 320 132 (E) 320
A survey was taken on course selection and gender. The results are represented in the table below. Вoys Girls TOTAL Band 27 17 44 Team Sports 64 46 110 Neither 13 9 22 ΤΟTAL 104 72 176 What percentage of those surveyed are boys AND taking Team Sports? Round to the nearest percent. % are boys and taking team sports.
USE THE FOLLOWING INFORMATION TO ANSWER THE NEXT TWO QUESTIONS. At a particular university, 60 % of the students who apply for admission are in-state residents, 30 % are from other states, and the remaining applicants are international students. 35 % of in-state applicants are admitted, 25 % of applicants from other states are admitted, and 20 % of international applicants are admitted. 13) What percent of applicants are admitted?
34
Suppose a poll was to be conducted in an elementary school by interviewing a representative sample of 50 students. The interviewer sat outside the cafeteria when it opened and talked to the first 50 students. 1. Would this be a representative sample of the elementary school. Support your answer (tell why). 2a. Describe (who is) the population of interest. 2b. Describe (who is) the sample.
17, 18

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