Some people are in favor of reducing federal taxes to increase consumer spending and others are against it. Three persons are selected and their opinions are recorded. Assuming no one is undecided, list the possible outcomes

Some people are in favor of reducing federal taxes to increase consumer spending and others are against it. Three persons are selected and their opinions are recorded. Assuming no one is undecided, list the possible outcomes

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The Census Bureau Web site gives several choices for "average income" in its historical income data. In 2006, the median income of American households was $48,201. The mean household income was $66,570. The median income of families was $58,407, and the mean family income was $77,315. The Census Bureau says, “Households consist of all people who occupy a housing unit. The term ‘family’ refers to a group of two or more people related by birth, marriage, or adoption who reside together.” Identify the reason for mean incomes for households being higher than median incomes for households.
A company has 30 employees, including a director. The lowest salary among the 30 employees is $22,000. The director’s salary is $180,000, which is more than twice as much as anyone else’s salary. Decide for each of the following statements about the 30 salaries whether it is true, false, or you cannot tell on the basis of the information at hand. • The median salary is below $60,000.• The average salary is below $60,000.• If all salaries are increased by $1,000, that adds $1,000 to the average.• If the director’s salary is doubled, and all other salaries remain the same, that increases the average salary.• If the director’s salary is doubled, and all other salaries remain the same, that increases the median salary.• The standard deviation of the salaries is larger than $180,000
Last year 46% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicated that 35% plan to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 60 business owners. How many business owners in the survey plan to provide a holiday gift to their employees this year?
If a business analyst wanted to learn about college students in the state of Texas by having them complete an online survey. Would the analyst be more likely to analyze a sample or a population? Multiple Choice Sample Population It depends on whether the analyst uses SurveyMonkey or Qualtrics for the survey. It depends on what time of year the survey is administered.
Wegman’s (a food market chain) has developed a new store-brand brownie mix. Before they start selling the mix they want to compare how well people like their brownies to brownies made from a popular national brand mix. In order to see if there was any difference in consumer opinion, Wegman’s asked 124 shoppers to participate in a taste test. Each was given a brownie to try. Subjects were not told which kind of brownie they got—that was determined randomly. 58% of the 62 shoppers who tasted a Wegman’s brownie said liked it well enough to buy the mix, compared to 66% of the others who said they would be willing to buy the national brand. Does this result indicate that consumer interest in the Wegman’s mix is lower than for the national brand?
In 2018, a Quinnipiac University poll found that 65% of Florida voters support stricter gun laws. There are approximately 13 million registered voters in Florida. If the poll represents how all voters in Florida feel, which of the following is the best estimate of the number of voters who support stricter gun laws? a. Between 1.3 million and 2.3 thousand voters b. Between 8 million and 9 million voters c. Between 130 thousand and 650 thousand voters d. Between 4 million and 5 million voters
Please list your answers to part a, b, c, and d. Suppose you try to conduct a presidential approval poll of 5,000 likely U.S. voters. You know that 29% of the voters are registered as Republican, 34% are registered as Democrat, and 28% are registered as Independent. If you are going to construct a representative sample of this population, approximately how many of the likely voters in the sample should be: a. Republican b. Democrat c. Independent d. Notice the sum of the percents is not 100. What could account for this?
Perform a hypothesis proportion test for the number of iPhone users on Verizon and AT&T for the following data. Over a 2 day period, recording the number of phone customers for AT&T and Verizon, there were a total of 47 total Verizon customers. 29 of those 47 opened an apple iPhone. For AT&T, there were a total of 41 customers. 22 of those 41 owned an apple iPhone.
The accompanying table shows the result of a national election along with the vote predicted by several organizations in the days before the election. The sample sizes were typically a bit above 1,000 people, and the reported margin of error was around plus or minus 4 percentage points. The percentages for each poll may not sum to 100 because of voters who indicated they were undecided. Complete parts a through c. Click the icon to view the vote predictions and result. a. The News Network 1 poll predicted that 49% were going to vote for Candidate A, with a margin of error of plus or minus 4%. Explain what this means. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals. Do not round.) O A. The true proportion of voters for Candidate A is within percentage points of %. O B. The actual proportion of voters for Candidate A is likely to be more than percentage points away from O C. All samples have a sample proportion that is…
An article a Florida newspaper reported on the topics that teenagers most want to discuss with their parents. The findings, the results of a poll, showed that 46% would like more discussion about the family's financial situation, 37% would like to talk about school, and 30% would like totalk about religion. These and other percentages were based on a national sampling of 546 teenagers. Estimate the proportion of all teenagers who want more family discussions about the school. Use a 95% confidence level. Express the answer in the form p ± E and round to the nearest thousandth.
Polls show that among likely voters in the Make-Believetown Governor's race, Bad Wolf is currently leading with 43% of expected votes, Little Pig has 41%, and 16% are undecided. The poll has a margin of error of 4.51%. Write a brief paragraph explaining who you believe will be the next imaginary governor of Make Believetown and why. Use the information you know about the margin of error to make your case.
The Entergy Corporation had 2,600,000 electricity customers. Of these, 76.176.1% were in the residential category (R); 13.913.9% were commercial (C); 2.52.5% were industrial (I); and 7.57.5% were government and municipal (G). What is the value of P(C or G)?