A 2016 survey suggests that 90% of college students have posted a profile on Facebook 78% use Instagram regularly and 72% do both if a college student is selected at random then the probability that a college student uses neither Facebook nor Instagram is?

Q: A fuel company conducts a geologic survey that has a 20% chance of striking an oil reserve. What is…

A: Given,A fuel company conducts a geologic surveythat has a 20% chance of striking an oil reserve

Q: The incidence of occupational disease in an industry is such that the workmen have a 20% chance of…

A:

Q: A psychologist believes that 79% of male drivers when lost continue to drive, hoping to find the…

A: It is known that, the mean of the sampling distribution of sampling distribution, p-hat is equal to…

Q: Just before a referendum on a school budget, a local newspaper polls 375 voters to predict whether…

A: Given that  The local news paper polls 375  voters to predict whether the budget will pass. Suppose…

Q: A pharmaceutical company claims that 20% of those taking its new allergy medication will experience…

A: Of the people who take the new allergy medication of the company, p = 20% will experience…

Q: GreenFacts, a non-profit organization,reports that the average adult in Europe consumed 17 litres of…

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: A poll showed that 70.5% of Americans say they believe that some psychics can help solve murder…

A: We will use the complement property of probability  Total probability is = 100%  And given that…

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: A poll showed that 51.9% of Americans say they believe that some psychics can help solve murder…

A: Given, The probability that the Americans believe that some psychics can help solve murder cases is…

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: A study shows that 15% of adult males don’t wash their hands in a public restroom. We take a random…

A:

Q: On average, five birds hit the Washington monument and are killed each week. Bill Garcia official of…

A: Given: On average, five birds hit the Washington monument and are killed each week. The…

Q: Forty percent of American adult women believe that meat from animals raised on genetically modified…

A: Formula : Binomial distribution is given by

Q: Last week, a flower delivery business conducted a survey on customer happiness. They found that 51%…

A:

Q: A psychologist believes that 77% of male drivers when lost continue to drive, hoping to find the…

A: Concepts and reason The concept of probability and one sample proportion is used to solve this…

Q: This problem involves students who have taken Calculus in high school. Assume that 25 percent of…

A:

Q: According to a 2018 survey, 74 percent of employed young adults expect to bring work on a vacation…

A:

Q: A survey by the American Automobile Association (AAA) revealed 60 percent of its members made…

A: Let p be the probability that a person had made airline reservation last year. Then, p=0.6.

Q: The centers for disease control reported that 16% of college aged individuals used vapes in…

A: Given information Probability of using vapes = 0.16 No of individuals n = 750 Probability that less…

Q: A news report stated that 65% of vehicles sold nationally were SUVs. A random sample of 100 vehicles…

A: Given info: Here, n=100, p=0.65.

Q: According to a survey, the probability that a family owns two cars if its annual income is greater…

A: Obtain the probability that a family has two cars and an income over $35,000 a year. The probability…

Q: A survey revealed that 31% of people are entertained by reading books, 39% are entertained by…

A:

Q: If 20 percent of the mice used in an experiment will become very aggressive after having been…

A: 3.  Given Information :  If 40 percent of the mice used in an experiment will become very aggressive…

Q: seventy-five percent of students at a college with large student population use the social media…

A:

Q: 3. A survey asked 500 Americans to rate their health. Of those surveyed, 270 rated their health as…

A:

Q: A recent survey reported that 69% of Americans approve of human embryonic stem cell research. If an…

A: Given : Let A be the event of  Americans approve of human embryonic stem cell research. p ( A ) =…

Q: An average student is known to have a chance of 50% in answering a TRUE or FALSE question correctly.…

A: Obtain the probability that an average student will have at least 1 correct answer.   The…

Q: On the average, two tornadoes hit major U.S. metropolitan areas every year. What is the probability…

A: 8. Given that the average number of tornadoes hit major U.S metropolitan areas every year is 2. Let…

Q: A certain pack of collectible baseball cards has a 20% chance of containing an autographed baseball…

A: Obtain the probability that Jin will get his first autographed baseball card on the 5th pack that…

Q: A Particular study showed that 12% of Men will likely develop prostate cancer at some point in their…

A: Let C be the event representing that a man will likely develop prostate cancer . The probability…

Q: This problem involves students who have taken Calculus in high school. Assume that 35 percent of…

A: Taken calculus in high school: 0.35 Plan to major in science­=0.65 Do not plan to major in…

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: A survey of executives revealed that 35 percent sign of them regularly read The Wall Street Journal,…

A:

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

A: Given that in a recent survey found that​ 70% of all adults over 50 wear sunglasses for driving.…

Q: According to a recent article the average number of babies born with significant hearing loss…

A: The probability that exactly for babies were born deaf is obtained below:From the given information,…

Q: This problem involves students who have taken Calculus in high school. Assume that 35 percent of…

A: Solution: Let A be the event that students have taken calculus in high school and B be the event…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If eleven seeds are…

A: Answer:Given that:p=0.95 ,   n=11now will use Binomial probability P(X=x)=nx*Px*(1–P)n–x,where…

Q: According to a study 20% of corporate officers are women. Suppose that you select a random sample of…

A: Z-score for proportion:

Q: An old camera has a 45% chance of not responding after taking a shot. What is the probability that…

A: Solution-: Given: p=0.45 We want to find, P(the camera will stop responding on the 6th shot of the…

Q: Public Opinion reported that 5% of Americans are afraid of being alone in a house at night. If a…

A: There is only two possibilities either the selected person is afraid of getting alone as success or…

Q: It is estimated that​ 20% of luxury cars manufactured in 2012 were silver. A car dealership…

A:

Q: Sixty percent of clowns aren’t funny.   If you randomly encounter three different clowns, what is…

A: Multiplication rule for independent events:If two events A and B are independent then the…

Q: According to a study done by the Seattle City Council, 65% of Seattle adults own a car. Assume this…

A: The population proportion is p=0.65 The required probability is…

Q: A CNN/USA Today/Gallup poll in April 2005 reported that 75% of adult Americans were satisfied with…

A:

Q: A poll showed that 47.4% of Americans say they believe that some psychics can help solve murder…

A: From the given question,It is given that the probability of Americans who they believe that some…

Q: This problem involves students who have taken Calculus in high school. Assume that 35 percent of…

A: P(A/B) is the probability of event A when event B has already occurred.

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

A: Let the random variable X be the number of wear glasses. X takes values 0,1,2,.....,10 . p =…

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.