The cards are placed in a bin, and 30 winners will be drawn. Considering the 30 winners as a sample from all the persons filling out such cards, is this a probability sample or a non-probability sample? What specific type of probability and non-probability sample does this procedure represent?

Q: A sixth grade class has 30 students. 15 of those students play baseball, 18 play basketball, and 10…

A: As per the rules of probability, PA∪B=PA+PB-PA∩B, where PA∪B denotes either A or B or both. PA ∩B…

Q: Suppose that you sampled 2 CEOs with replacement instead. How many different samples are possible,…

A: Sampling is a process which is used in statistical analysis. In sampling a predetermined number of…

Q: A survey of California community college statistics students were asked their student status and…

A: The table shows the student status and type of class.

Q: A kindergarten class consists of 14 boys and 11 girls If the teacher selects a random sample of n =…

A: Given that there are 14 boys and 11 girls. So total (14+11)=25 students. If 2 boys are picked, then…

Q: 13% of US residents are in their 30s. consider a group of 9 US residents selected at random. find…

A: It is given that the 13% of US residents are in their 30s i.e. the prob. that US residents are in…

Q: What is the probability a randomly selected worker does not drive a car to work?

A: Here we have given the information, According to the U.S. Census Bureau, the probability a randomly…

Q: The probability that at least 1 freshman is chosen for the committee is ?

A: Let p be the proportion of freshmen. Given that p = 29% = 0.29 Also, X denotes number of freshmen on…

Q: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

A: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

Q: Today, only 25% read the New York Times. Five percent of residents read both papers. Suppose we…

A: event  USA : read USA today NY : read New York times P(USA) = 0.40 P(NY) = 0.25 P(USA∩NY) = 0.05

Q: A sociology teacher asked her students to complete a survey at the beginning of the year. One survey…

A:

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

A:

Q: Among the adults in a large city, 34% have a college degree. A simple random sample of 100 adults is…

A:

Q: According to a recent survey approximately 68% of students at this campus are women. A group of 20…

A: Solution: Let X be the number of students are women and n be the sample of students. From the given…

Q: 88% of adults are high school graduates.  If a random sample of 10 adults is chosen, find the…

A: p=0.88sample size(n)=10Let "x" no. of adults are graduatesx~Binomial(n=10,p=0.88)P(X=x)=

Q: In a large town, previous records indicate that 40% of all high school graduates go to college. 30…

A: From the given information, n=30 and p=0.40.

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: Thirty percent of an airline’s planes are jumbo jets. Sixty percent of the airline’s pilots are 45…

A: Thirty percent of an airline’s planes are jumbo jets.  P(airline’s planes are jumbo jets) = 30% =…

Q: Six percent of American adults are considered millionaires. If 100 randomly selected adults are…

A: Here it is given that 6% of American adults are millionaire. We need to find the probability of 7 or…

Q: In a recent study, 65% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A: Given,n=11p=0.65Let X =no.of people name their favorite flavor of ice cream.X~Binomial(n=11 ,…

Q: selected at random, what is the probability that this person has an O blood type? How about the AB…

A: We have given that the blood groups of 200 people are distributed as follows: type A blood = 40 type…

Q: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

A: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

Q: At a car manufacturing plant, 10% of cars have some sort of defect when they come off the line. If…

A:

Q: About 10​% of the population of a large country is nervous around strangers. If two people are…

A: The probability that a randomly selected people is nervous around strangers is 0.10. The probability…

Q: what is the probability all three would be smokers?

A: Let , X be the number of smokers Here , X→B(n=3 , p=0.20) The probability mass function of X is ,…

Q: Find the indicated probability. The brand name of a certain chain of coffee shops has a 54%…

A: Obtain the probability that exactly 4 of the 10 Coffleton residents recognize the brand name. The…

Q: Katie handles calls for a company's information technology help desk, either by resolving the issue…

A: Let, n = total number of calls received by Katie = 35 p = probability of success = probability that…

Q: 200 volunteers at a local kennel were surveyed. It was found that 132 women and 68 men volunteered.…

A: given data  132 women 68 men _______________ 200 total surveyed   of the 132 women 91 liked dogs and…

Q: In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females, and 12 of…

A: Given Information: There are 18 Juniors, 10 seniors in a statistics class. 6 of the seniors are…

Q: Designates Femalo Designates Male Freshman Sophomore Junior Senior FFFFF FFF PFFF FFFF MMM MMM MMM…

A: Given the probability distribution table as follows: Gender Freshman Sophomore Junior Senior…

Q: The probability a German speaks English is 56%. If five Germans are randomly selected from across…

A: The probability a German speaks English is 56% i.e., Five Germans are randomly selected from across…

Q: In a test for ESP, the experimenter looks at cards that are hidden from the subject. Each card…

A: In this case, each of the subjects has the only option of guessing a card "correctly" (defined as…

Q: At a car manufacturing plant, 20% of cars have some sort of defect when they come off the line. If…

A: Given dataProbability of defect in a car(p) = 0.20n = 99According to Binomial theoremProbability of…

Q: In Bayside County, 45% of voters are registered Democrats. If three voters are selected at random,…

A: Given, P = 0.45 n = 3 x = 3 Here we use binomial distribution

Q: Geographers want to determine the probability that exactly 7 out of 10 tourists in New York they…

A: There are two possibilities of event 1. Either they will visit the statue. 2. Or they will not visit…

Q: university study involves a simple random sample of 26 students taken from a population of​ 12,550.…

A: Given that Simple random sample size (n) = 26 Population size  = 12,550 Undergraduate students make…

Q: A four-person committee is randomly selected from a pool of 19 Americans and 131 Canadians. What is…

A: Given: Number of Americans =19 Number of Canadians =131

Q: A marketing company has randomly surveyed 205 men who watch professional sports. The men were…

A: A marketing company has randomly surveyed 205 men who watch professional sports. The men were…

Q: On a statistics exam, 8 students received an A, 4 students received a B, and 6 students received a…

A:

Q: American Airlines' flights from Chicago to Atlanta are on time 90 % of the time. Suppose 9 flights…

A: Given information- We have given a problem of binomial distribution. We have given that American…

Q: About 10% percent of workers (ages 16 years and older) in the United States commute to their jobs by…

A: The objective of this question is to find the probability that exactly four out of eight randomly…

Q: The acts in a talent competition consist of 4 instrumentalists, 10 singers, and 6 dancers. If the…

A: Given that, There are 4 instrumentalists There are 10 singers There are 6 dancers. The probability…

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.