According to a 2018 survey, 74 percent of employed young adults expect to bring work on a vacation trip. A random sample of 20 employed young adults will be selected. What is the probability that 8 of the selected young adults will expect to bring work on a vacation trip?

Q: In a commissioned research, the inter-collegiate swim meets management found out that an estimated…

A: GivenThe percentage of swimmers competing use performance enhancing drugs = 3% The accuracy of the…

Q: Sixteen of the 200 digital video recorders in an inventory are known to be defective. What is the…

A: It is given that, 16 of the 200 digital video recorders in an inventory are known to be defective.

Q: According to the 2009 current Population Survey conducted by the U.S. Census Bureau, 40% of the U.S.…

A: In question, Given that according to the 2009 current Population Survey conducted by the U.S. Census…

Q: The New York Times reported that 70% of adults know someone who has been exposed to coronavirus.…

A: Givenp=0.70n=20Let "x"be someone who has been exposed…

Q: It is estimated that 1 in 59 students in Canada have been diagnosed with Austism Spectrum Disorder.…

A: Given data: The expression for the probability that 1 in 59 students in Canada has been diagnosed…

Q: Given that a random person just tested positive, determine the probability of having this illness.

A: Here use tree diagram

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: Given, Let A be the event of success that Airlines report of its flights are on time Random sample…

Q: According to a study, 83% of k-12 schools or districts in a country use digital content such as…

A: Probability:   The ratio of the number of favorable outcomes to certain event and total number of…

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Given, n = 12 p = 26% = 0.26 X = 8 Let X be the couples will have a destination wedding.   X ~ B…

Q: According to a candy​ company, packages of a certain candy contain 18​% orange candies. Find the…

A: The proportion of orange candies in a certain package is : p=0.18 The sample size is given to be…

Q: An economics professional body estimates that 75% of the students taking undergraduate economics…

A:

Q: According to a WHO poll, 66 percent of the world's population experiences severe stress at least…

A: Solution

Q: According to the National Highway Traffic Safety Administration, 83% of Americans used seat belts…

A: In this question it has given that,Probability (that Americans use seat belt belts regularly) =…

Q: Based on a poll, among adults who regret getting tattoos, 20% say that they were too young when they…

A: It is given that n = 5 and p = 0.20.

Q: Based on a​ poll, among adults who regret getting​ tattoos, 23% say that they were too young when…

A: Solution: Let X be the number of adults say that they were too young when they got their tattoos and…

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

A:

Q: A survey on campus revealed that 77% of the students felt that a new attendance policy was unfair.…

A: Given that the probability that the students felt that a new attendance policy was unfair is = 77%…

Q: thirteen percent of adults are left handed. in a group of 30 adults, what is the probability of…

A: Let X=the number of lefty n=number of trials= 30 p=probability of success= 13%=0.13 X follows a…

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: A recent survey shows that 60% of families regularly schedule family vacations for the month of…

A: Given, 60% of families regularly schedule family vacations for the month of April. Let X = number of…

Q: In a Business Statistics class, there are 15 girls and 11 boys. On a test 2, 9 girls and 6 boys made…

A: Given: In a business statistics class there are 15 girls and 11 boys on a test 2, 9 girls, and 6…

Q: What is the probability of selecting one person at random who is a smoker?

A: From the provided information, Total person = 100 Number of persons who smoke = 54

Q: Recent research suggests that 73% of Americans have a home phone, 83% have a cell phone, and 58% of…

A: Given:

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Givenp=0.26n=12Let "x" be the couple having destination…

Q: A poll showed that 50% of Americans say they believe that life exists elsewhere in the galaxy. What…

A: here given , A poll showed that 50% of Americans say they believe that life exists elsewhere in the…

Q: According to a recent survey, 35% of respondents drive Japanese-made cars. From a random sample of…

A: Let X be tbe number of driving a Japanese-made car from Binomial distribution with probability (p)=…

Q: In the United States, 75 percent of adults wear glasses or contact lenses. A random sample of 10…

A: A random variable X, is said to follow binomial distribution if the probability mass function of X…

Q: It has been estimated that 21% of Americans are smokers. If four American adults are chosen at…

A: Given that, proportion, p= 21%  p= 0.21 So q= 1-p= 1-0.21 = 0.79 And sample size is n= 4 So X~…

Q: accounting professor claims that no more than one quarter of undergraduate business students will…

A:

Q: A recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: What is the probability that a randomly selected student prefers the arts or does not prefer…

A:

Q: A survey reports that 53% of college students use Google as their search engine. If 100 students of…

A: Given that n=100 p= 0.53 q= n-p=0.47 μx= n*p= 53 Standard deviation= σ= sqrt(n*p*q)=4.991   Add…

Q: It is known that in a batch of milk cartons, 30% are underfilled. In a sample of six milk cartons…

A: Given that the batch of milk cartons underfilled is 30% and there are sample of six milk cartons.…

Q: According to a recent study, 24% of the USA population is Catholic. The survey also shows that 71%…

A: Percentage of population is Catholic is 24%. Percentage of Catholic are Democrats is 71%. Percentage…

Q: An economics professional body estimates that 80% of the students taking undergraduate economics…

A:

Q: In a business statistics class of 30 students, 17 are boys and 13 are girls. On a unit test, 4 boys…

A: Given: The business statistics contains the 30 students that is present in the class. It mostly…

Q: The probability that four randomly selected high school drivers all drove when drinking alcohol is

A: Given: Drove when drinking alcohol Yes No Total Texted while driving 737 3027 3764 No Texting…

Q: Fifty-three percent of U.S. households have a personal computer. In a Random sample of 250…

A: It is an important part of statistics. It is widely used.

Q: Based on a poll , among adults who regret getting tattoos, 70% say that they were too young when…

A:

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: A random variable X is said to follow a binomial distribution with parameters 'n' and 'p' ( where n…

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

A:

Q: A survey reports that 53% of college students use Google as their search engine.  If 100 students of…

A:

Q: A convenience store estimated that 22% of its customers come in to buy milk. What is the probability…

A:

Q: A recent study shows that 4% of California residents consider purchasing an electric car . If we…

A:

Q: A market research organization surveyed 102 people and found that 73 of them would like more…

A: GivenThe total number of people the market research organization surveyed = 102 The total number of…

Q: A Gallup poll found that 73.2% of people in the US believe in hell. What is the probability that a…

A: Given that  A Gallup poll found that 73.2% of people in the US believe in hell  P(Believe in hell) =…

Q: Sixty-three percent of U.S. households have a personal computer. In a random sample of 400…

A: Let p be the proportion of households have a personal computer. Given that p = 0.63 Let X denote the…

Q: What is the probability that a randomly selected student owns a home, given the student is a female?

A: 5. The probability that a randomly selected student owns a home, given student is a female is,…

Q: What is the probability that none of the 10 teenagers uses pandora media inc.'s online radio…

A: The problem can be solved using binomial distribution formula.

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.