A poll of 3548 people revealed that of the respondents that were registered Republicans, 862 approved of their representative's job performance, 445 did not, and 770 had no opinion. Of the registered Democrats, 276approved of their representative's job performance, 470 did not, and 111 had no opinion. Of those registered as Independents, 154 approved, 146 did not approve, and 57 had no opinion. Of the remaining respondents, whowere not registered, 111 approved, 83 did not approve, and 63 had no opinion. Represent these data in a 3 x 4 matrix.Republicans Democrats Independents Not RegisteredApprovedDisapprovedNo OpinionNeed Help?Submit AnswerRead It

Answered: A poll of 3548 people revealed that of…

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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Michael wants to know if support for a local referendum on gay rights is related to political party affiliation. He conducts a survey of 200 local residents and asks them their political party affiliation and whether they intend to vote for or against the referendum. He learns that 16 people who say they are republican are for the referendum and 54 are against. Of those who say they are democrat, 72 people are for the referendum and 28 are against it. Some people identified as “other” and among that group, 3 were against the referendum and 27 were in favor of it. 1. Conduct the appropriate analysis with α=.05. 2. What should Michael conclude?
A poll released this week found that in a random sample of registered voters, 60% indicated that they think a fenmale "will run" for the presidency, 30% said a female “will not run," and 10% had “no opinion." When asked their opinions on whether or not a female could be elected, 66% of those who said a female "will run" thought a female could be elected; 25% of those who thought a female "will not run" thought a female could be elected; whereas, 20% of those who had no opinion said 4. that a female could be elected. а. [2] What percentage of registered voters (in this sample) thought that a female could be elected? [2] Given that a person thought that a female could be elected, what is the probability that this person said a female "will not run" for the presidency? b. [3] Given that a person thought that a female could be elected, which is more likely: that this person said a female “will not run" for the presidency or that this person said a female “will run" for the presidency? C.
A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 31 said they drove alone. 32 rode in a carpool. 28 rode public transportation. 4 used both carpools and public transportation. 5 used both a carpool and sometimes their own cars. 3 used buses as well as their own cars. 1 used all three methods. How many used none of the above-mentioned means of transportation?students
A survey of 108 high school students determined: 68 use Instagram, 58 use Twitter, and 75 use Facebook; 34 use both Instagram and Twitter, 38 use both Twitter and Facebook, 45 use both Instagram and Facebook; 22 use all three apps. Find how many students use: (a) only Instagram, (b) Instagram and Twitter, but not Facebook, (c) Instagram or Twitter, (d) exactly two of the social media listed.
Seven percent of those who invest in mutual funds consider corporate stocks to be “very safe”, 58% consider them “relatively safe”, 24% consider them “not very safe”, 4% consider them “not safe” and 7% "They are not safe at all." Business / Week / Harris asked 550 mutual fund investors how they would rate corporate bonds for safety. The answers were the following Seguridad Frecuencia Very safe 62 Relatively safe 323 Not very safe 76 Not safe 26 Not safe at all 63 Does the attitude of mutual fund investors differ from corporate bonds from their attitude to corporate stocks? Support your conclusion by giving a statistical test. Use α = 0.01. For this problem you must present: -Hypothesis-Result of the expected values, residuals and the calculation of the test statistic.-Analysis of the results in the chi square test and its conclusion in applied terms of the problem
An opinion poll contacts 1021 adults and asks them, which political party do you think has better ideas for leading the country in the twenty first century? In all, 723 of the 1021 day, the democrats. The sample in the setting is? (a) all 220 million adults in the U.S. (b) the 1022 people interviewed (c) the 723 people who chose the democrats.
After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they liked the movie. Out of 20 adults, all but 6 said they liked the movie, whereas out of 50 teenagers, all but 8 said they liked the movie. Fill in the blanks below to make the most reasonable statement possible. At the movie premiere, (Choose one) whereas only % of the (Choose one) moviegoers liked the movie less. That is because % disliked the movie, moviegoers disliked the movie. X 5 ? Check Ⓒ2022 McGraw a shift tab esc ! 1 9 a @ 2 N W S # 3 X e C d $ 4 r C % 5 f acer DIL 6 t V g y & 7 b h u 8 j n 1661 81 00
Suppose that 40 Malaysian Chinese are surveyed and they speak at least one of the three dialects, Cantonese, Hokkien or Hakka. It is found that 30 of them speak Cantonese, 20 speak Hokkien and 15 speak Hakka. It is also found that 3 of them speak all three dialects. How many of the surveyed Malaysian Chinese speak exactly two languages?

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