A group of college DJs surveyed students to find out what music to plan for their upcoming parties. Thirty percent of the students preferred dubstep, 25% of the students liked trance music, and 20% wanted to hear only house music. Fifteen percent of the respondents selected both dubstep and trance. The proportion of students that like trance music but not dubstep is: Option 1: 10% Option 2: 5% Option 3: 15% Option 4: 20

Q: Joe likes to go to an old arcade and play 10 games of Skeeball every day. On average, he wins a…

A: In this case, for each played game, Joe has the only options of "win" (defined as success) or "lose"…

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: Solution:  Given information: n= 20  number of adults  x= 14 adults like the movie  m= 100 number of…

Q: A podcast host is curious how her listeners like the show. She decides to poll the next 100…

A: Introduction :-  We are given an example of sampling and we have to identify which type of bias is…

Q: A report just came out that stated that 24.9% of all Americans say that vanilla is their favorite…

A: A report just came out that stated that 24.9% of all Americans say that vanilla is their favorite…

Q: Give an example of two independent samples. For example in testing whether a new drug works, the…

A: There are many applications based on the independent samples in a continuous scale. The independent…

Q: For observation study, determine whether cross-sectional, retrospective, or prospective is used.…

A: There are types of study, some of them are cross sectional, retrospective or prospective.…

Q: The Human resource team is surveying employee satisfaction. Among the stores it has around the…

A: cluster sampling and how the human resource team's approach to surveying employee satisfaction using…

Q: In a class of 50 students, there are 30 males. Among the male students 10% a students. 20% of the…

A: Given data,Number of students =50No of Males =30No of Females =2010% of male students are honor…

Q: A small ice cream parlor has had great success over the past several years and is interested in…

A: Given information: Number of customers randomly selected in the sample, n = 56 Number of customers…

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: ple, aski pled 113 people, again asking them their favorite skittle flavor, but rather than by color…

A: Given Solution:

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

A:

Q: A survey asked 3494 randomly selected high school seniors about their computer use. Among the 1,734…

A: We have given that,  Favorable cases (males use computers for three or more hours a day) = (X) = 677…

Q: Many young men in North America and Europe (but not in Asia) tend to think they need more muscle to…

A: It is given that,Sample mean = 2.35.Population standard deviation, sigma is 2.5.The sample size, n…

Q: n 1995 a magazine reported the results of a poll of adult Americans in which it asked, "Have you…

A:

Q: a. Complete the​ two-way table summarizing the reviews.

A:

Q: A drug company claims that an allergy medication causes headaches in 5% of those who take it. A…

A: Solution: 1. Population is a set of similar items, objects or individuals which is of interest as…

Q: A cable network wants to know if viewers would rather watch a new show or the existing show. Out of…

A: The individuals of group of subjects, whose effects are the main interest of the study, is called…

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: No. of adults = 50 No of the adults liked the film = 35

Q: In a recent poll, 450 people were asked if they preferred cats or dogs. 52% said they preferred dogs…

A: Given data: n = 450  52% said they preferred dogs and 48% of people said they preferred cats, with a…

Q: According to a student survey on keyboard light preference, 44% liked white, 26% liked blue and 30%…

A: Let we define the events A,B,C that student like keyboard light. A is event that student like white…

Q: bookstore found out that 23% of their customers buy a book, 34% of their customers buy 2, and 39%…

A: Given : A bookstore found out that ; 23% of their customers buy 1 34% of  customers buy 2 books 39%…

Q: A study was conducted to investigate whether local car mechanics charge women more than men for a…

A: The data set of repair prices and the differences…

Q: Carry out a hypothesis test to determine if the mean rating assigned to the wine when the cost is…

A: Let μd be the mean difference between cost $90 and cost $10. The test is that the mean rating…

Q: Maci is a social networking maniac! Although she prefers Instagram, she also spends a lot of time…

A: Introduction A variable is a no., characteristic which can be counted or measured.

Q: 55% of high

A: Probability of participating = 0.55 Probability of playing in NCAA given participating = 0.05

Q: Suppose that in a survey of five-year-olds, 54% liked the letter A, 58% liked the letter B, and 49%…

A: Solution:robability of liking A  P(A)=0.54 Probability of liking B  P(B)=0.58 Probability of liking…

Q: The manager at a grocery store believes that the majority of customers would like to see more…

A: The sample size n is 60.

Q: Ahamed opened a restaurant 5 years ago, he made a survey of how the people rated his food according…

A: Note! Hi there! Thank you for the question. As there are multiple sub parts, according to our policy…

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: 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: You know that 70 percent of the subs at theme parks in the US are yellow.  There are 220 subs in…

A: Solution Given that  We have total sub parks in the US = 220 we know , 70% of them are yellow = 154

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: Total number of adults, n1 = 50Number of adults liked the movie, x1 = 36Total number of teenagers,…

Q: Calculate an approximate 99% confidence interval for the difference in mean mood rating…

A: The data measures mood rating before and after being exposed to classic rock music.

Q: A movie club surveyed  250  high school students. The students were asked how often they go to the…

A: Twice a monthor less Three times a monthor more Total Action 85 20 105 Drama 90 55 145…

Q: An addictions researcher wants to see if male and female alcoholics differ in the type of alcohol…

A: Part a: We have two independent categorical variables gender (Male and Female) and the beverages…

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: From given data, Number of adults who disliked the movie=20-14=6 Percentage of adults who disliked…

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: A professor has a class with five recitation sections. Each section has 18 students. The question is…

A: Using excel:

Q: A movie director who combines dark humor and neo-western in his films is curious about gender…

A: There are two independent samples which are males and females. Both samples follows normal…

Q: The National Highway Association is studying the relationship between the number of bidders on a…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…