A survey asks 168 people "What beverage do you drink in the morning?", and offers choices: • Coffee only • Tea only • Both tea and coffee • Neither tea nor coffee Suppose 36 report tea only, 44 report coffee only, and 32 report both. How many people drink tea in the morning?  How many people drink coffee in the morning?  How many people drink neither tea nor coffee?

Q: A survey of used car salesmen revealed the following information: 69 wear white patent-leather shoes…

A:

Q: In a survey, 90 high school students were asked if they are currently enrolled in Biology or Social…

A: Here we have to find the number of students who are enrolled in social science.

Q: One hundred students were asked which fast food restaurants they had visited in the past month. The…

A: Given Information: 100 students were asked which fast food restaurants they had visited in the past…

Q: (a) Find a point estimate for the proportion of people who performed volunteer work during the past…

A: It is given that Sample size n = 1309  Number of people performed volunteer work, X = 518

Q: Of 75 cars that were inspected, 13 needed brake repairs and 26 needed exhaust system repairs. If the…

A: Here given, needed 75 cars that were inspected brake repairs and 26 needed 13 exhaust system…

Q: In the state of Washington, a county is considered rural if ith density less than 100 people per…

A: In this question,  We have given that the Area and population of some country. It is known that the…

Q: Shelly believes the honor roll students at her school have an unfair advantage in being assigned to…

A: From the table, we see that there are 205 honor students and among them, 125 students get a math…

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: In a study of children, a total of 1,560 children were examined. Of these, 1,019 had rickets. Of the…

A: The objective of the question is to find out the number of children living in nonurban areas who had…

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

A:

Q: A swim coach is considering 8 swimmers as possible members of a 3-person relay team. a. How many…

A: Given data  8 swimmers are possible members of 3 person relay team.    nCr = n!r!(n-r)!nPr =…

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: Twelve classmates are taking a picture side by side.  A. In how many ways can they take the picture…

A: Given , Twelve classmates are taking a picture side by side.     (a) In general, n distinct objects…

Q: Refer to the table below:                                      Do you smoke? Sex…

A: Given that                                                                       Do you smoke ?…

Q: In a recent survey, 75 students reported whether they liked their potatoes Mashed, French-fried, or…

A:

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.