Thirty percent of the people called agree to participate in a brief telephone survey. In a random sample of four people called, what is the probability that exactly two people would not agree to participate in the survey? 0.1298 0.3000

Q: researcher found that 85% of white ash trees in Pennsylvania are damaged by the emerald green ash…

A:

Q: Determine the probability that in a sample of 100 the sample proportion is less than .75 if p = 0.80

A: Given, Sample size, n = 100 Population proportion, p =0.8 Z = p^-pp1-pn

Q: Sixty-five percent of men consider themselves knowledgeable soccer fans. If 10 men are randomly…

A: Given  n=10, p=65%

Q: 3 percent of the led lights manufactured by a company are defective, the probability that in a…

A:

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 12 men are randomly…

A:

Q: The table shows the educational attainment of 532 drivers per vehicle type. What is the probability…

A: There are totally 532 drivers in which 70 are college students, 80 are utility vehicles and 9 are…

Q: The probability that a football game will go into overtime is 20%. What is the probability that…

A:

Q: 2002, approximately 39% of the people eligible to vote in mid-term elections voted. Suppose you have…

A: the number of trials n=7the number of successes x=0the probability of success on a single trial…

Q: The newspaper reports that among individuals in the 18 to 22 age, 25% drink coffee. If 400 people of…

A: Given,n=400p=0.25q=1-0.25=0.75np=400×0.25=100≥5nq=400×0.75=300≥5we can use normal…

Q: According to a 2009 Reader's Digest article, people throw away about 12% of what they buy at the…

A: Given that, n=155,p=0.12 The Mean and Standard error of the sampling distribution of sampling…

Q: A three-bulbed flask contains five particles. What is the probability, to three significant figures,…

A: Let us assume X be the random variable representing the number of particles, out of total 5, in the…

Q: A recent survey found that 62% of the households surveyed had internet access,68% had cable TV, and…

A: Given, A recent surveyA=households survyed has internet accessB= has cable TVPA=62%  =0.62…

Q: According to a report in Parade magazine, a nationwide survey conducted by the University of…

A: We have given that Probability (p)  = 0.70  Number of samples(n) = 12 Here we will use binomial…

Q: On St. Patrick's Day, you took note of who was coming into your restaurant wearing green. The…

A: Given:

Q: A population proportion is 0.61. Suppose a random sample of 655 items is sampled randomly from this…

A:

Q: Provide an appropriate response. The probability that a house in an urban area will develop a leak…

A: P(house in an urban area will develop a leak ) = p = 0.05Sample size (n) = 59P(none of houses…

Q: The percent of college​ students' marijuana use for a sample of 95,411 students is shown in the…

A: We have to find pobability for given piechart

Q: After rolling a fair, six-sided die 100 times, it was observed that the probability of rolling a 2…

A: We know, that on rolling a fair dice, the probability of obtaining 2 on a dice roll is 0.167

Q: One manufacturer claims that only 10% of its total production is defective. 28 items are randomly…

A: Let, X=the number of defectives n=number of trial=28  p=probability of success=10%=0.10   X follows…

Q: What is the probability that of the 77 people selected more that 50% will have a cat at home.

A: It is given that Sample size n = 77 Population proportion = 0.3313

Q: If one student is randomly chosen from the group, what is the probability that the student chose…

A: Given   Homework  Housework Outside employment  Recreation  other Total Male 29 15 20 23 9 96…

Q: suppose the probability of an irs audit is 1.5 percent for us taxpayers who file form 1040 and who…

A: Probability is defined as the sum of favorable ways of an events divided by the total number of…

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 11 men are randomly…

A: Given Sixty-five percent of men consider themselves knowledgeable football fans.  Suppose X be the…

Q: Suppose that 33% of people in a certain city are on an online dating website. If three people are…

A: Given information 33% of people are on online dating website Probability that people are on online…

Q: Assume 79% of all ducklings are adorable. You take a sample of 16 ducklings. What is the probability…

A: Given,n=16p=0.79q=1-pq=1-0.79=0.21A random variable X~Binomial(n=16 , p=0.79)P(X=x)=16x0.79x0.2116-x…

Q: A sociologist is analyzing Social Security data. The number of individuals in the sample is 5. The…

A:

Q: In 2015, the average hours per week spent by high school students in educational activities was 6.5.…

A:

Q: The 2010 census found that 13.9% of adults in the United States identified themselves as being of…

A:

Q: The probability that a house in an urban area will be burglarized is 5%. If 20 houses are randomly…

A: Let X: number of houses burglarizedX has binomial distribution because trials are finite, trials are…

Q: Sixteen percent of all sports cars are painted red. Given a random sample of 250 sports cars, find…

A: Given that  n=250 , p=16%=0.16 , q=1-p=1-0.16=0.84

Q: What is the probability that a randomly chosen survey respondent is a male or chose "recreation" as…

A: There are totally 200 people are considered in which 96 are males, 62 are recreations, and 23 are…

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.