If only 15% of people asked to mail in a survey respond, this is an example of
Q: Suppose that about 85% of graduating students attend their graduation. A group of 25 graduating…
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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: Nationally, 83% of Americans have earned a high school diploma. We want to see if the proportion of…
A: We have to find sample proportion.
Q: At a small Midwestern college, a survey determined that 61% of freshmen participated in…
A: Given that, The event A is participated in intercollegiate athletics The event B is participated in…
Q: A random sample of 1400 Internet users was selected from the records of a large Internet provider…
A: Given data A random sample of 1400 internet users was selected and asked whether they would use…
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A: As Prof. N. G. Das said "Let there are n trials and each having two outcomes - Success and Failure.…
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: According to the September 20, 1994, issue of Family Circle, 39% of Americans own guns for hunting,…
A: Calculate expected frequencies by multiplying proportion by 2000 as given below, Obs. Freq.(Oi)…
Q: Gallup conducted a survey of 1,015 randomly selected U.S. adults about "Black Friday" shopping. They…
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Q: Forty-three percent of americans use social media and other websites to voice their opinions about…
A: The data is provided for a survey of 1400 individuals who were asked if they use social media and…
Q: An estimated 3 out 25 men are left handed. What percent of men are left handed?
A:
Q: A survey of 150150 freshmen business students at a local university produced the results listed…
A: A survey of 150150 freshmen business students at a local university produced the results listed…
Q: A survey of 125125 freshmen business students at a local university produced the results listed…
A:
Q: n a survey of a random sample of 35 households in the Cherry Creek neighborhood of Denver, it was…
A: Given Information: Sample size n=35 Number of successes x=13
Q: According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes…
A: Given that 58% of Americans approve of U.S. missile strikes in Syria
Q: 4) 57% of kids can't wait for spring break. How many kids on average would we need to survey to find…
A: Geometric Distribution: Let us assume there is a sequence of trials, each having two outcomes, say…
Q: The Excite Poll is an online poll at poll.excite.com. You click on an answer to become part of the…
A: Note- This is a multiple choice question, I have given the answer and explained it below.
Q: Suppose a certain virus (sorry!) affects 0.3% of the population. A test used to detect the virus is…
A: 0.3% of 100000 population have virus. 0.3*100000/100= 300 people have virus. 88% have virus and…
Q: Coaster Condition (1 = Just rode, 2 = Waiting to ride) * Relationship (1 = Currently Single, 2 = In…
A: The following information is obtained from the data set:Currently SingleIn a relationshipTotalJust…
Q: If 200 subjects were studied and 120 of them expressed a preference for Brand X, what percentage…
A: The total number of subjects is 200.
Q: In a local election, 56.0% of those aged under 40 and 48.8% of those aged over 40 vote in favor of a…
A: Independent Events:Two events are said to be independent if occurrence of one event does not affect…
Q: Miller Junior High is considering changing its school colors. The results of a survey that 16 out…
A: Topic : unitary method
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Q: SAccording to Inc.com, 79% of job seekers used social media in their job search in 2018. Many…
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Q: According to the most recent data, 9.5% of engineers (electrical, mechanical, civil, and industrial)…
A: Population proportion is p=0.095 . Sample size is n=75 .
Q: A survey from the Department of Motor Vehicles was given to residents in the city of Smallville. The…
A: 80% held a valid driver's license out of which 10% had at least one traffic violation and 20% who…
Q: Last year, 41% of business owners gave a holiday gift to their employees. A survey of business…
A: Given Information : Population proportion , p = 0.41. Sample proportion , p⏞ = 0.32. Number of…
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A: For sample, x is the number of people not wearing hats. S is the number of people counted for the…
Q: A survey reported that 10% of 1800 employees favored a new insurance program. How many employees…
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Q: The Ministry of Health in the Canadian Province of Ontario conducted the Ontario Health Survey by…
A: Stratified sampling :- When we have Homogenous distinguishable sub-groups. Then the population is…
Q: In a study of 203 young male/female couples, each partner privately was asked whether they had ever…
A: Probability of an event is computed by taking the ratio of number of favourable outcomes to total…
Q: In a recent Gallup poll, 1003 randomly selected adults in the United States were asked if they have…
A: According to the provided information, 1003 randomly selected adults in the United States were asked…
Q: Smart phone: Among 245 cell phone owners aged 18-24 surveyed, 106 sald their phone was an Androld…
A: Given: n = 245 x = 106 p = 106/245 = 0.433
Q: Suppose an internet marketing company wants to determine the current percentage of customers who…
A: The objective of this question is to determine the sample size needed for a survey to estimate a…
Q: (e) Construct and interpret a 95% confidence interval for the population proportion of adults 19…
A: From the provided information, Sample size (n) = 1000 From which 252 confessed to be bringing and…
Q: Fifty-five percent of people who move from an area without fire ants to an area with fire ants get…
A: From the above data We are given that Fifty-five percent of people who move from an area without…
Q: Gallup conducted a survey of 1,015 randomly selected U.S. adults about "Black Friday" shopping. They…
A: Suppose pM, pW are the true population proportions of men and women who planned to shop on the…
Q: If 61% of Americans believe most school textbooks favor political correctness over accuracy, how…
A: Here we have given the information, 61% of Americans believe most school textbooks favor political…
Q: survey of Hoosiers found that 47%47% are Pacers fans, 54%54% are Colts fans, and 25%25% are Pacers…
A: Given that Colts fans = A P(A) = 47% = 0.47 Pacers fans = B P(B)= 54% = 0.54 Pacers fans but not…
Q: In a sample of 310 people, 186 completed only high school, 24 completed only some college, 93…
A: Given data A sample of 310 people is given. 186 completed only high school. 24 completed only some…
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- 600 students at Drew High School were surveyed. 269 of them were males. 455 of the students' wear jewelry, and 300 of the students that wear jewelry are females.How many scores are represented in the blue section of the boxplot?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?
- a list of the over 2300 Henry Clay high School is compiled. from that list 250 names are randomly chosen and given a survey to complete. of those surveyed 72% said they intended to attend college after completing high school what would the 250 students surveyed would be an example of?A sample of 120 employees of a company is selected, and the average age is 37 is an example of . Survey responses of "good, better, best" is an example of . A tax auditor selects every 1000th income tax return to audit is an example of . The number of floors in a building is an example of5. 43% of the students in a school are boys. If there are 399 girls in the school, what is the entire population of the school? [2]
- "Bluth's Original Frozen Banana Stand" is a frozen banana stand founded in 1953 by George Bluth. They offer multiple types of chocolate that you can have your frozen banana dipped in, and they also offer multiple different toppings for your frozen banana. One day when stand employee Michael was working, he wondered whether or not there was a relationship between what customers had their bananas dipped in (milk chocolate, white chocolate, or dark chocolate) and their choice of topping (plain, walnuts, or sprinkles). He recorded the choices of each for 90 different customers, and the resulting data can be seen in the table below. Which cell has the highest Chi Square contribution? Chocolate milk milk milk white white white dark dark dark walnuts, milk Osprinkles, white walnuts, dark O plain, dark Topping plain walnuts sprinkles plain walnuts sprinkles plain walnuts sprinkles Freq. 15 4 11 7 13 10 14 10A statistics teacher asked two different students, Lexie and Jennifer, to go to Wegmans and sample 30 shoppers each. The population of interest for both people can be defined as, “People who shop at the Johnson City, NY Wegmans store”. Here is what each person did to collect their sample: Lexie: She stood outside at the entrance to the store on 3 different days and times and surveyed every 15th person to walk by her. She surveyed 10 people each time to get her 30. Jennifer: She went to Wegmans after her nursing shift first thing Wednesday morning to buy deodorant since she ran out. When she was in the pharmacy area she surveyed all the people around her and then, to get up to 30 surveys, she went to the health food section and surveyed everyone she was there. Identify at least 2 specific reasons why Lexie’s approach is more likely to give a representative sample. Consider sources of bias, or types of shoppers who might be excluded by Jennifer’s approach.…Suppose 20% of the students on campus smoke. You select two students at random. In what percentage of samples will both students be smokers?
- A school newspaper reporter decides to randomly survey 17 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 11% of students attend Tet festivities. We are interested in the number of students who will attend the festivities. How many of the 17 students do we expect to attend the festivities?According to the National Center for Education Statistics, 43% of the college students work full time. A survey of 900 randomly selected college students is to be conducted. For such groups of 900, would it be unusual to get 735 college students who work fulltime?A survey of 1687 adults nationwide asked, "What irks you most about the actions of other motorists?" The response "tailgaters" was given by 483 people. What percent of those surveyed were most irked by tailgaters?
