The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 35 who smoke. Step 1 of 2 :   Suppose a sample of 1089  Americans over 35 is drawn. Of these people, 359 smoke. Using the data, estimate the proportion of Americans over 35 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places.

Q: A survey of 350 people shows that 210 people have seen a movie in the last month. Find the sample…

A: The sample proportion (p̂) is calculated by dividing the number of people who have seen a movie in…

Q: In order to have a margin of error of 2%, people should be surveyed.

A: we are given that 24% people consider summer as their favourite season (p) = 0.24 to find  number of…

Q: Calculate the proportion of the 100 samples that had at least five people own a dog. Round your…

A: You can use normal approximation..

Q: Determine whether you would take a census or use a sampling process to find the average age of the…

A: A survey, which tries to include all of the population units in the sample, is defined as census.

Q: there are 347 people that take a survey and assume that 112 of them are women. what percentage of…

A: The percentage of females in the survey is calculated below:

Q: A survey was conducted in order to find out how many Abu Dhabi residents visit Dubai Shopping…

A: Population is a complete set of elements for which the study to be required to conduct. The subset…

Q: In order to estimate how much annual income that their graduates earn after graduating, York U…

A: the average income 53450the SD is 7750the sample size is n=123.

Q: n Internet poll asked 4272 U.S. adults about their use of smart watches and fitness trackers. A…

A: Given:

Q: The International Brotherhood of Slide Whistlers wants to conduct a survey to find what proportion…

A: Let COnfidence interval be 90% Zc=1.645 E=3%=0.03 p=0.5 n=?

Q: If the number of respondents in the study was approximately 44,947, estimate how many stated that…

A: answer is below

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: A Pew Internet poll asked 4272 U.S. adults about their use of smart watches and fitness trackers. A…

A: Given that  Total Number of adults about their use of smart watches and fitness trackers n = 4272…

Q: In order to estimate how much annual income that their graduates earn after graduating, York U…

A: the average income 53450the SD is 5530the sample size is n=186.

Q: Suppose that 43% of people own dogs. If you pick two people at random, what is the both own a dog?…

A: Given, Probabily of a person own a dog is 43 %

Q: A researcher wants to find out the number of students he needs to urvey in a school provided that…

A: Given : total no pf students in a school  N=5000 with margin of error e=5%  To find sample size…

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: Approximately 19% of music lovers like Country Music. Of those who do, 99% do not have mild brain…

A:

Q: One day, a poll appeared on a certain website. It asked "Do you believe that rain can soothe the…

A: we wants to calculate the margin of error . let us consider level of significance =0.05 this is one…

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: According to recent data, 33% of people are left handed. In a sample of 200 people, how many would…

A: Answer: From the given data, Let X: Left handed people Sample size (n) = 200 P(left handed people) =…

Q: Report the proportion of the 370 students based on mobile phone brands as a percentage. Apple  269…

A: The percentage of a category can be calculated by dividing the frequency of the category by the…

Q: Suppose that the results of a survey show that 59% of people consider summer as their favorite…

A: Given information: The proportion of people consider summer as their favorite season is 59%. The…

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: 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: 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: When 445 junior college students were​ surveyed, 135 said that they have previously owned a…

A:

Q: among students of a certain university 38 like peanut butter, 34% like nutella, and 12% like both.…

A: It is given that:Proportion of students like peanut butter: Proportion of students like nutella:…

Q: "Save today by switching to SOAR!" is the slogan for SOAR, a cell phone service provider. Logan…

A: Farmula used Standard error=σ/√n Given  n=75, x̄=sample mean=$19.03, standard deviations=σ=$4.71

Q: If five out of every sixteen students prefer to write with pens over pencils, what proportion of…

A: Given that, five out of every sixteen students prefer to write with pens over pencils.The aim is to…

Q: Approximately 25% of music lovers like Country Music. Of those who do, 5% have mild brain damage.…

A: Given: 25% of music lovers like Country Music. Of those who do like Country music, 5% have mild…

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: The American Heart Association is about to conduct an anti-smoking campaign and wants to know the…

A: Note:Hi there! Thank you for posting the question. To avoid the plagiarism issues, we have used the…

Q: Approximately 19% of music lovers like Country Music. Of those who do, 99% do not have mild brain…

A: It is given that, approximately 19% of music lovers like Country Music.

Q: To the nearest whole number, what percent of respondents did not choose Dominos or Marcos as their…

A: Given that: The frequency of each respondent's favorite pizza shop is recorded and shown in the…

Q: Elaine is the leader of Andor. She wishes to know how the citizens feel about a particular issue,…

A: Given data, E=2.4%=0.024 Let p=0.50 z-value at 95% confidence is Zc=1.96 n=?

Q: You are working with a neighborhood committee to apply for a grant to buy new playground equipment…

A:

Q: A software company is interested in improving customer satisfaction rate from the 54% currently…

A: Let p be the population proportion of customer satisfaction rate.Given that,Population proportion…

Q: A group of researchers want to investigate the academic performance of the college students in…

A: Given that, N = 12000 Margin of error (e) = 0.05 The formula for calculating the sample size is,

Q: City crimes records show that 20% of all crimes are violent and 80% are nonviolent. Ninety percent…

A: Given that, city crimes record shows that 20% of all crimes are violent and 80% are non violent.…

Q: Here is an illustration of a population survey. Identify what survey sampling method was used and…

A: There are in general 4 survey sampling methods.  Simple Random Sampling: Each member of the sample…

Q: A marketing company is interested in the proportion of people that will buy a particular product.…

A: We have to write the correct terms .