residents in a certain town. If a resident who is aged 20-29 is chosen at random, what is the probability that they have completed a only high school or just some college?

Q: The probability that exactly 2 of the rocks are sedimentary is

A:

Q: Forty percent of the students at a local college belong to a club and 50% work part time. 5% of the…

A:

Q: grounds. Assume that 50 percent of the students at the university have taken 4 years of high school…

A:

Q: Statistics show that about 42% of Americans voted in the previous national election. If three…

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Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: *Color Blindness. According to M. Neitz and J. Neitz of the Medical College of Wisconsin Eye…

A: a.it is given that the 9% of men are color blind, that is p = 0.09, remaining 91% are not color…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: A group consists of 10 girls and 8 boys. They are to sit sit side by side on a bench. What is the…

A: Given that there are 10 girls and 8 boys. So total (10+8)=18 girls and boys. So 18 persons can be…

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

Q: A survey reveals that 80% of the eligible people in a certain county vote during a county election.…

A: Here, n = 70 and p = 0.80.

Q: In a city with 300,000 inhabitants, 55% of the population are men and 45% are women. If 40% of the…

A: PM=0.40PW=0.30 Where M and W are the events of the men and women who prefer to use public…

Q: An animal shelter has a 65% adoption rate for puppies. Of all puppies in the shelter, 75% live to be…

A: Given: Animal shelter has a 65% adoption rate for puppies. 75% of puppies that remain in shelter…

Q: In a group of 25 boys, 20 play basketball and 17 play baseball. They all play at least one of the…

A: Let, A=basketball B=baseball Given that: n(A)=20 n(B)=17 n(A or B)=25 So, n(A and B)=n(A)+n(B) - n(A…

Q: ocal university has a student population that is 57% male. 64% of the students are undergraduates;…

A: In probability theory, an event is an outcome or a set of outcomes of a random experiment to which a…

Q: In a survey of 96 baseball fans in NYC, 46 were fans of the Mets, 63 were fans of the Yankees and 30…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: Color blindness has a rate of about 5% among males.  If you pick a group of 15 males, what is the…

A:

Q: In a class of 30 students, 12 students play basketball and 18 students play football. If 6 students…

A: Ans: - Given, a class of 30 students,         12 students play basketball and 18 students play…

Q: The following table represents the highest educational attainment of all adult residents in a…

A: The data shows the highest educational attainment of all adult residents in a certain town.

Q: A class of 25 students is taking a course in Western Civilization on a​ pass/fail basis. The course…

A: Define the random variable x as the number of students that will pass the course. Here, the number…

Q: Xerxes, Murray, Stav, Zeke, and Georgia  are invited to a dinner party.  They arrive in a random…

A: First-person can arrive in 5 ways. Second-person can arrive in 4 ways. Third-person can arrive in 3…

Q: Suppose a university has a student body of 10,000 students, of whom 60% are undergraduate students…

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Q: Records show that 65% of employees at a high-level research facility have a doctorate degree. If 14…

A: Given data Record shows that 65% of employees at high level research have a doctorate degree. 14…

Q: The athletic department of a school has 16 full time coaches, and 4 of them are female. The director…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: student has to choose an elective class for the last term of college. His counsellor suggested 8…

A:

Q: Xerxes, Murray, Norah, Stav, Zeke, Cam, and Georgia  are invited to a dinner party.  They arrive in…

A: GivenThere are total 7 peopleTotal no of ways they can arrive is 7!No of ways Xerxes arrives first =…

Q: A bag contains 4 red shirts, 6 blue shirts, and 8 black shirts. If a shirt is randomly selected from…

A: The provided information is  A bag contain 4 red shirts, 6 blue shirts, and 8 black shirts  The…

Q: Assume that the car lot contains 35 percent Jaguars, 30 percent Corvettes, and 35 percent Lincolns.…

A: Given that, A car lot contains 35 percent Jaguars, 30 percent Corvettes, and 35 percent Lincolns. Of…

Q: Find the probability that if a person is chosen at random, they have run a red light in the last…

A: Given that Number of persons responded yes = 150 Number of persons responded No = 231 Total number…

Q: Students at University X must have one of four class ranks-freshman, sophomore, junior, or senior.…

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.