78% of households have a computer (laptop or desktop) and 75% have a hand-held device (tablet or smartphone). If 87% of households have a computer or a hand-held device, how many... 3) have both a computer and a hand-held device? 4) have a computer, but not a hand-held device?

Q: 1. how many planned to only grade papers? 2. How many planned to grade papers or do household…

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

Q: A survey of 200 people yielded the following information: 94 people owned a Blu-ray player, 125…

A: It is given that the total number of people surveyed is 200. So, the universal set U=200. The number…

Q: A survey is taken of 106 people who vacationed at a dude ranch. The following information was…

A: Let SL=total number of people who took swimming lessons. BD=total number of people who attends the…

Q: In a survey of four-year colleges and universities, it was found that 222 offered a liberal arts…

A: Four year degree colleges and universities to be surveyed, A= No. of liberal art degree colleges and…

Q: For the purposes of a marketing research, a survey of 100 women is conducted in a town. The results…

A:

Q: a) a randomly selected vehicle was driven more than 15,000 miles; b) of five randomly selected…

A: here given  mean  =  12494 miles  standard deviation = 1290 miles  here use excel command or…

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: b) A drawer contains 14 white and 14 black socks, all unmatched. Ali is in a rush to school and has…

A: The pigeonhole principle is the base of counting along with the fundamental theorem of counting.…

Q: A group of 62 students was surveyed, and it was found that each of the students surveyed liked at…

A: Here, we are going to solve only the first three subparts and for the remaining subparts please post…

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: A survey is taken of 105 people

A: Given, Total number of people = 105 Number of people who took the swimming lessons​, attended the…

Q: A group of 15o students were asked whether they have a curfew and whether they have chores at home.…

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 group of 100 people touring Central Park includes 30 people who speak French, 25 who speak German,…

A: a)

Q: A highway agent sampled cars going from one state to a neighboring state. In his​ report, he…

A: From the given information,   Number of cars sampled: 78 Number of cars driven by women: 27 Number…

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: 9) A group of students were asked if they carry a credit card. The responses are listed in the…

A: Probability denotes the chances of occurring an event. It lies between 0 and 1. Let, A be the event…

Q: An anonymous survey of college students was taken to determine behaviors regarding​ alcohol,…

A: # We are entitled to solve three subparts at a time , please resubmit the other questions if you…

Q: 1. In a survey of university students 64 had taken mathematics course

A: Given, in a survey of university students 64 had taken mathematics courses, 94 had taken…

Q: Coffee drinkers were asked what they added to their coffee in a study conducted by college students.…

A: given number of respondendts who said cream=70 number of respondents who said sugar =65 number of…

Q: b. How many subjects did not use marijuana? A total of | subjects did not use marijuana.

A: b. From the information, the data in table format is,   Positive Negative Total Using Marijuana…

Q: 9 out of 15 teachers in a school staff meeting were first year teachers. What percentage of the…

A:

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: A drug trial had 409 participants. A survey was taken to determine how many had drowsiness as a side…

A: Given van diagram is:

Q: Does the location of your seat in a classroom play a role in attendance or grade? 400 students in a…

A: By definition of proportion, p = No. of favorable cases / Total No. of cases

Q: A pair of dice is rolled, and the number that appears uttermost on each day is observed. One shows a…

A: The all-possible outcomes for tossing a pair of dice is defined as follows: Sample space = {(1,1),…

Q: How many drank alcohol regularly and smoked cigarettes, but did not use illegal drugs? How many…

A:

Q: An experiment involves tossing three fair coins. How many elements are there in the domain?

A:

Q: In a survey of college students, each of the following was found. Of these students, 352 owned a…

A:

Q: Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a…

A: To compare the proportions of more than 2 groups, a chi-square test of goodness to fit is used. The…

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

A: The number of freshmen surveyed is 816. (a) It is given that 268 people had been to a movie but 94…

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: 4) In Toronto, Canada, 55% of people pass the drivers' road test. Suppose that 100 people take the…

A:

Q: Hello. Can I get help on how to work this problem? Thank You!

A: Given information:Denote the event “A student owns a cat” as A.Denote the event “A student owns a…

Q: A survey of 400 school empl yielded the following information: 295 were instructors, 215 were…

A: We have given that- Total number of school employee = 400 No. of instructors = 295 No. of full-time…

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: 1. how many planned to only grade papers? 2. How many planned to grade papers or do household…

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

Q: A set of data has a mean of 16, a media of 15, and a mode of Which of these numbers must be a value…

A: Given : A set of data has  Mean = 16 Median = 15

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

A:

Q: Does the location of your seat in a classroom play a role in attendance or grade? 800 students in a…

A: Note: According to Bartleby Expert guideline, we can answer only first three subparts of a question…

Q: Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a…

A: Given : Group 1 2 3 4 Attendence 0.84 0.84 0.84 0.80

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

A: Let us consider the three sets A, B, C then the relation between the three set is shown using Venn…

Q: A survey of 90 customers was taken at Barnes & Noble regarding the types of books purchased. The…

A: Let us denote: M=mystery novels S=science fiction novels R=romance novels Given that: n(M)=44,…

Q: 2. Individuals are asked which network they watch for the evening news. The results are summarized…

A:

Q: A survey of 68 customers was taken at a bookstore regarding the types of books purchased. The survey…

A:

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: A survey is taken of 106 people who vacationed at a dude ranch. The following information was…

A: We have to find the number of persons who attended barbeque. This problem can be solved by using…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.