In a survey of college students, it was found that 72 owned a tablet 99 owned a laptop 87 owned a gaming system 45 owned a tablet and a laptop 50 owned a tablet and a gaming system 55 owned a laptop and a gaming system 30 owned all three  5 owned none of these   Find the number of students that were surveyed. The number is ???

Q: Robert asked 40 students at his school how many television sets they had at their house. The results…

A:

Q: In a survey, students were asked about their favorite subjects. The results are as follows:   80…

A: We will construct a Venn diagram according to the given informations.

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: mary ann,hazel,and analyn want to know what numbers can be assigned for the frequency of of heads…

A: The sample space of a fair coin flip is {H, T}. The sample space of a sequence of three fair coin…

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 of 800 nurses yielded the following information: 430 were health club members, 575 were…

A: Number of nurses in a survey = 800 Number of health club members = 430 Number of smokers = 575…

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 555 were…

A: Given data, Total number of nurses=800 in which Health club member nurses =430 Smokers nurses =555…

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

A:

Q: Do what is ask. Show complete solution The Commission on Higher Education is conducting random drug…

A: To take a random sample of 10 students from the 672 students, write the names of all students on…

Q: Each student in a class of 30 was randomly assigned one line of a random number table. Each student…

A: Here, it is clear that 50% of odd digits and 50% of even digits.

Q: Lenny has 5 friends in his neighborhood. In how many ways can he choose 3 to help him move…

A: Lennh has friends = 5 Number of friend to be chosen = 3

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 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 member of the Student Council decided to conduct a room visit and asked the students for their…

A: Let D=the students joined  the Debat clubC=the students signed up for the cooking clubGiven ,no.of…

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: George believes the Art Club students at his school have an unfair advantage in being assigned to…

A:

Q: A survey was conducted in a section on which subject they like best. 55 likes Math, 50 likes…

A:

Q: A survey of 67 people in Kansas City gave the following results: 20 were fans of the Kansas City…

A: Let C ne the set of fans of kc chiefs andR be the set of fans of kc Royals andS be the set of fans…

Q: A survey was given asking whether people like dogs and/or cats. 123 said they like dogs 185 said…

A: Given that n(D)= number of people who like dogs=123 n(C)=number of people who like cats=185 n(D and…

Q: in a survey of 14 college students, it was found that 9 were taking an English class, 7 were taking…

A: We can solve given problem by Venn- diagram:

Q: Find the number of full houses in a poker hand, that is, the number of poker hands with three of a…

A: Let there be 4C3 =4 by choosing the 3 cards of the same typesand 4C3 =6  by choosing…

Q: Mary Ann, Hazel, and Analyn want to know what numbers can be assigned for the frequency of heads…

A: Tossing three coins Sample space are HHH , HHT , HTH , HTT , THH , THT , TTH , TTT

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.