A survey of students reveals that 72 of them own either a cat or a dog, with 19 owning both, and 40 owning neither. How many students were surveyed?

Q: A survey of 1000 college students yielded the following information: 396 students favored capital…

A: (a)   Given: A survey of 1000 college students yielded the following information: 396 students…

Q: Suppose that a sample is to be taken without replacement from a finite population of size N. If the…

A: a) Sampling is without replacement scheme. The population size is N. Sample size is same as the…

Q: If you use the Internet, have you ever paid to access or download music? This was one of the…

A: The sample size = 1003 From the sample, the information we have, No. of adults do not use internet =…

Q: In a statistics activity, students are asked to determine if there is a difference in the proportion…

A: Given : n1 = 30 x1 = 18 n2 = 30 x2 = 20

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

A:

Q: A survey of 303 drivers asked which size car they would consider purchasing. The given table shows…

A: The total number of males *-is 165 and the total number of males, who have shown interest for large…

Q: A group of 107 people were polled about their common means of transportation. Fifty of them said…

A: We use the Venn diagram to solve the given question.

Q: In a CBS News survey done in 2006, 88% of n = 348 randomly sampled married men said that they would…

A: Given that  Sample sizes n1=348 , n2=584 Sample proportion p1^=0.88 , p2^=0.84

Q: 40. Of 1,000 people consulted, 811 liked chocolates, 752 liked toffees and 418 nd

A: Given problem Given that   Method 1 :

Q: Results of a survey of fifty students indicate that 30 like red jelly​ beans, 29 like green jelly​…

A: Given, Total students n(S)=50 Students who like red jelly beans n(R)=30 Students who like green…

Q: If only 15% of people asked to mail in a survey respond, this is an example of

A: Given that  Only 15% of people asked to mail in a survey respond.  We know that  Response bias :…

Q: Who is the king of late night TV? An Internet survey estimates that, when given a choice between…

A:

Q: 313

A:

Q: Suppose a survey is taken of 300 high school seniors out of a total of 1,000 seniors. This group is…

A: the group is probably a

Q: In a recent small survey of airline passengers, 27 said they had flown American in the last year, 23…

A: We will use  Addition theorem for  3 set

Q: A taste-testing survey of Zing Farms showed that 2/3 of the people surveyed preferred the taste of…

A:

Q: A consumer survey was conducted to examine patterns in ownership of tablet computers, cellular…

A: Let T represents the people who owned tablet computers, C represents the cellular phone and B…

Q: A survey of 70 college students showed the following data: 42 had a car; 50 had a TV; 30 had a…

A: It is given that, in a  survey of 70 college students, 42 had a car; 50 had a TV; 30 had a bicycle;…

Q: Your town does a study and finds that 3 in 5 dogs have licenses. If there are 250 dogs in town, how…

A: In the given study it has been found that 3 in 5 dogs have licenses. The probability that the dogs…

Q: How many students took only religion?

A: Here it is given that  26 students took religion12 students took science and religion13 students…

Q: In a survey of 24 college students, it was found that 8 were taking an English class, 12 were taking…

A:

Q: A survey asks 228 people "What beverage do you drink in the morning?", and offers choices: • Coffee…

A: Let U be the set of people surveyed, C be the set of people drink coffee, T be the set of all people…

Q: A survey was given among the members of the Silver Springs Country Club, asking which activities…

A: Given that: A survey was given among the members of the Silver Springs Country Club, asking which…

Q: In research, it is not practical to include all members of a population. Is this true or false

A: Given statement: In research, it is not practical to include all members of a population.

Q: How many of the 3088 subjects used at least one prescription​ medication?

A: Number of adults aged 57 through 85 years in a survey, n = 3088 p be the probability that an adult…

Q: In how many ways can an examinee check off one answer to each question and get all the answers…

A:

Q: A survey of 300 workers yielded the following information: 231 workers belonged to a union and 195…

A: given that total workers = 300 Let U denotes union and 231 belonged to union that is, n(U)=231 Let D…

Q: A survey of 600 school employees yielded the following information: 325 were instructors, 442 were…

A: Given data, instructors= 325 full-time faculty=442 instructors were full-time faculty=255   No of…

Q: In a study of children, a total of 1,548 children were examined. Of these, 1,017 had rickets. Of the…

A:

Q: Suppose that a survey of five- year olds, 45% liked the letter A, 51% liked the letterB, and 48%…

A: Given that P(liked letter A)=45%=0.45 P(liked letter B)=51%=0.51 P(liked letter C)=48%=0.48 P(liked…

Q: A survey of 50 students showed that 25 were taking psychology, 20 were taking math, and 8 were…

A:

Q: A survey of 500 television watchers produced the following information: 285 watch football games,…

A: Note: In the given question one data value is incorrect. It should be 45 instead of 4 television…

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…

Q: In a study of children, a total of 1,560 children were examined. Of these, 1,018 had rickets. Of the…

A:

Q: A survey of 200 people yielded the following information: 96 people owned a Blu-ray player, 129…

A:

Q: If you have a study in which 90 participants are randomly assigned to one of three groups, the…

A: From the provided information, Total number of participants (N) = 90 Groups (k) = 3

Q: 600 students at Drew High School were surveyed. 269 of them were males. 455 of the students' wear…

A: Part a: Probability = Number of Males/Number of students =269/600 = 0.448

Q: 17. How many observations are there?

A:

Q: 1. A sample of 80 people have revealed that 24 like cinema and 62 like television programmes. Find…

A: Total number of people is 80. Let C and T represents the set people who like cinema and television…

Q: On a youth soccer team 3 out of 12 team members have played in previous years. Based on this…

A: The formula of mean is,

Q: A survey asked 816 college freshmen whether they had been to a movie or eaten in a restaurant during…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A survey of a magazine's subscribers indicates that 50% own a home, 80% own a car, and 90% of the…

A: Givensubscribers own a home = 50%subscribers own a car = 80%subscribe own a car given that they own…

Q: A survey of 120 families revealed the following information. 43 had a dog. 34 had a cat. 13 had a…

A:

Q: Given the sample size of n=225, you can work with the -table. Ox? F

A: Given that  According the World Health Organization, the Body Mass Index (BMI=Weight in…

Q: Based on this sample, how many of the 62,000 books in the collection should Mr. James expect to have…

A: It is given that Number of books with no damage = 1026 Sample size n = 1026+28+26 = 1080 Let p be…

Q: A survey conducted by the Bureau of Labor Statistics found that 67% of high school graduating class…

A: Let A denotes the student in the high school graduating class went on to college and B denotes…

Q: A survey asked 816 college freshmen whether they had been to a movie or eaten in a restaurant during…

A: Let M be the event that freshmen went to a movie and R be the event that freshmen went to a…

Q: 100 athletes were asked about which sports they played in high school. 50 said that they played…

A: We know  if A, B, C are three finite sets and n(A), n(B), n(C) are the number of elements in the…

Q: 270 peopl

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.