Assuming the requirements are met for the penny study, what is the margin of error for a 95% confidence interval for the difference of the true proportions of women and men who were in favor of retaining the penny as a form of currency? (Round your answer to three decimal places.)

Q: Al gave correct answers to 47 of the 50 questions on the driving test . What percentage of the…

A: We can give the correct answer in the below st

Q: Use the bar chart below to summarize the data in the form of frequency and relative frequency.…

A: Given information, Use the bar chart below to summarize the data in the form of frequency and…

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the that they both…

A: Given: P(Dog) = 0.54 The probability that they both own a dog can be calculated as: P(Both own a…

Q: During an election for city council, you hear a candidate say that 54% of children in the city live…

A:

Q: Some jobs involve earning a commission on sales. Which of the following jobs would likely include…

A: The question is asking us to identify which jobs from the given list are likely to include…

Q: The infamous Gillette ad has 1.55 million “dislikes” on YouTube, making it the 26th most disliked…

A:

Q: in the previous example, the adult weighing 285 pounds decides to not paricipate in the study. what…

A:

Q: 00 subjects were studied and 120 of them expressed a preference for brand x, what percentage…

A: The 200 subjects were studied; n=200 120 of them expressed a preference for brand x; x=120

Q: A publisher reports that 48 % of their readers own a particular make of car. A marketing executive…

A: sample size(n)=300sample proportion()=0.45significance level(α)=0.02

Q: According to the results of a survey, 48% of 422 people indicated that American football is their…

A: We have given that Margin of error (E) = 2% = 0.02 When confidence level is not given by default we…

Q: A fisherman is interested in whether the distribution of fish caught in Green Valley Lake is the…

A: Given,rainbow troutother troutbasscatfishGreen Valley Lake206764766395Echo…

Q: According to the results of a survey,  32%  of  102  people indicated that American football is…

A: Consider the level of significance as 0.05. Computation of critical value:…

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: 2003, an organization surveyed 1,510 adult Americans and asked about a certain war, "Do you believe…

A:

Q: A magazine article conducted a survey of 807 people in Phoenix metro area and found that 45% of the…

A: Sample size (n) = 807 Population proportion (p) = 45% = 0.45 And  97% confidence interval is (41%,…

Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…

A: Given: 328 patients completed the survey 211 patients returning

Q: 73% of the community did not agree with the proposal. The community has 1750 members. How many do…

A:

Q: A study found that the average home price for 14 houses in one community was $285,000. Two more…

A:

Q: A local politician running for school board wants to know where he is ranked in the polls before the…

A: This question is part of sampling methods for political party. Since it is rarely possible to poll…

Q: Exhibit-C. An insurance company selected samples of clients under 18 years of age and over 18 and…

A: It is given that: "Under age of 18" group:n1 sample size=500x1 No. of accidents=180"Over age of 18"…

Q: In a survey of 1536 adults, 36% responded "yes" to the survey question. How many adults answered…

A: From the provided information, Sample size (n) = 1536 36% responded “Yes” to the survey question.…

Q: If 90% of the athletes who test positive for steroids in fact use them, and 10% of all athletes use…

A:

Q: In a recent study, 46% of people enjoy country music.  If 200 people are surveyed about their…

A: Given : Proportion (prop.) of people enjoy country music p = 46% = 0.46 Sample size of people n =…

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

A:

Q: A letter is randomly selected from the word "ENGINEERING" find the probability that the letter is a…

A: As per guidelines expert have to answer first question only dear student please upload other…

Q: 31 of 48% is what?

A: 31 of 48%

Q: A newspaper reported on the topics that teenagers most want to discuss with their parents. The…

A: From the provided information, Sample size (n) = 508 37% would like to talk about school so the…

Q: When taking a 19 question multiple choice test, where each question has five possible answers, it…

A: From the given information ,   Sample size , n= 19 Probability of success, P = Using formula ,

Q: You survey 100 people and find that 75 of them would prefer to work at home to some extent. When…

A: Given: You survey 100 people and find that 75 of them would prefer to work at home to some extent.…

Q: Please do not give solution in image format thanku During the first 13 weeks of the television…

A: The question is about categorical data analysis.Given :To find :Test whether the viewing audience…

Q: vho visit the mall to find out their level of satisfaction with the mall's service. Write a three…

A: Three basic principles for the design of a sample survey are:1. Principle of OptimizationThe…

Q: Last year, 40% of business owners gave a holiday gift to their employees. A survey of business…

A:

Q: A survey reported that 10% of 1800 employees favored a new insurance program. How many employees…

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Q: Suppose that the results of a survey show that  24%  of people consider summer as their favorite…

A: Solution: From the given information, p=0.24 and E=0.02.

Q: According to the World Atlas, the proportion of the world’s population has brown eyes is 79%.  What…

A: The proportion of the world's population has brown eyes is the population proportionp=0.79

Q: A test question is good if it discriminates between prepared and unprepared students. The first…

A:

Q: In Music, Linda scored 70%, and her score was at the 85th percentile.  In Art, Linda scored 95%,…

A: It is given that the stated person's scores (in percentage) in Music and Art are 70% and 95%…

Q: Suppose that the results of a survey show that 51% of people consider summer as their favorite…

A: From the provided information, Proportion (p̂) = 0.51 Margin of error (E) = 0.04

Q: A survey asked 605 randomly chosen non-smokers and 195 randomly chosen smokers, “Should a federal…

A: State the hypotheses. That is, there is no evidence to conclude that more non-smokers would say…