A report indicates that 75% of all Parliament members agree with the proposal to lower the voting age to 18, from 21 previously. What is the probability that fewer than 66 Parliament members of 220 disagree with the proposal?

Q: In a Gallup Survey, 90% of the people interviewed were unaware that maintaining a healthy weight…

A: Given Information: 90% of the people interviewed were unaware that maintaining a healthy weight…

Q: d) A report indicates that 75% of all Parliament members agree with the proposal to lower the voting…

A: The given probability of all parliament members agree with the proposal is 0.75. It means that the…

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: 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: Although studies continue to show smoking leads to significant health problems, 20% ofadults in the…

A: According to the provided information, 20% of adults in the United States smoke. Consider a group of…

Q: It was estimated that 30% of all seniors on a campus were seriously concerned about employment…

A: Let us denote: E=seriously concerned about employment prospects G= seriously concerned about grades,…

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

A: Solution: Let X be the random variable that students taking undergraduate economics courses are in…

Q: If a randomly selected female student abstains from​ alcohol, what is the probability she attends a…

A: Given info: 20.4% of women attending all-women colleges abstained from alcohol, compared to 17.7% of…

Q: A leading large college recently reported that 40.5% of its student body had concerns about the…

A:

Q: The Denver Post stated that 80% of all new products introduced in grocery stores are taken off the…

A:

Q: Given that a random data scientist from the sample has less than ten years of experience in the…

A: Given: Total number of data scientist = 47 Number Graduates = 20 Number of 10+ years experience = 24…

Q: Although studies continue to show smoking leads to significant health problems, 20% ofadults in the…

A: a. Normal approximation to the binomial: From the given information, sample size, n = 250. The…

Q: In one study of calls to 911 in Los Angeles, it was found that 85% of the calls were not…

A: Solution: From the given information, the proportion of the calls were not emergencies is p=0.85 and…

Q: In any given sampling, there is a 54% chance that a new invasive fish to be sampled along with other…

A: Probability: Probability is a chance factor that can occurs at every outcome of a random experiment.…

Q: Part 1 of 4 (a) What Is the probablity that six or more of them used their phones for guldance on…

A: Given : Probability of success,p = 0.57 Number of trials,n = 14

Q: It is estimated that 75%of all young adults between the ages of 18-35 do not have a landline in…

A: Given Information- p = 0.75 q = 1-0.75 =0.25 n = 100 Here we use Binomial distribution, Binomial…

Q: A nationwide survey of 17,000 seniors by the University of Michigan reveals that almost 70%…

A: Given p=0.7 n=18

Q: It is estimated that 1 in 59 students in Canada have been diagnose Austism Spectrum Disorder. In a…

A: It is given that, 1 in 59 students in Canada has been diagnosed with Autism Spectrum Disorder.  i.e.…

Q: Although studies continue to show diabetes leads to significant health problems, 20% of adults in…

A: Introduction: Denote X as the number of sampled adults who have diabetes. Assume that the n = 250…

Q: 13 percent of the patients in a study reported previous episodes of stroke or transient ischemic…

A: Solution: Given information: n= 70 Sample size  p= 0.13 Population proportion.

Q: In a particular survey of internet users, 3713 respondents say that they use social networking sites…

A: We want to find the probability

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A: Probability of success, p=0.23 and n=800.

Q: According to the American Veterinary Medical Association, 31.6% of American households own a dog.…

A: Let A denote that American households own a dog Let  denote that American households does not own a…

Q: Based on a​ poll, 69​% of Internet users are more careful about personal information when using a…

A: Given Data Probability of success,p = 0.69 Probability of failure,q=(1- 0.69 )= 0.31…

Q: It is estimated that 75% of all young adults between the ages of 18 and 35 do not have a landline in…

A: Givenp=0.75sample size(n)=100Let "x" be the adults do not own a…

Q: Based on a​ poll, 61​% of Internet users are more careful about personal information when using a…

A:

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

A:

Q: A major appliance retailer claims that 18% of its sales are dishwashers. If 112 appliances are sold…

A: Given info: Here, n=112, p=0.18.

Q: Based on a study by Dr. P. Sorita Sona at Indiana University, about 35% of the population has blue…

A: Let the random variable X denote the no. of individuals has blue eyes and it follows binomial…

Q: A sample preparation for a chemical measurement is completed correctly by 25% of the lab…

A:

Q: According to the American Dental Association, 60% of all dentists use nitrous oxide in their…

A:

Q: In Canada, bill C-16 passed with a vote of 248 in favour (Yes), and 40 opposed (No). In other words,…

A: Basic probability

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: Out of a survey of 400 customers, under the assumption that 0.5 is the correct proportion, what is…

A: From the provided information, Sample size (n) = 400 Proportion (p) = 0.5

Q: It is estimated that 3000 of the 9000 voting residents of Socorro-Texas are against republican…

A: Note: Thank you for the question. Since multiple questions are posted, according to our policy, we…

Q: According to data on the sale of Vehicles in Barbados, it was calculated that men purchase 75% of…

A: From the provided information, Men purchase 75% of vehicles in Babados (p) = 0.75 Sample size (n) =…

Q: It is estimated that 4000 of the 10,000 voting resident of a town are against a new sales tax. If 15…

A:

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

A:

Q: If the population proportion is 0.90 and a sample of size 64 is taken, what is the probability that…

A:

Q: A random sample of 270 homes was taken from a large population of older homes to estimate the…

A: Given: A random sample of 270 homes was taken from a large population of older homes to estimate the…

Q: According to the American Automobile Association (AAA), 5.3% of Americans plan to travel by car over…

A:

Q: According to a poll of​ adults, about 40​% work during their summer vacation. Assume that the true…

A: From the given information, Sample size (n) = 500 Probability of success (p) or adult work during…

Q: What is the probability that a student chosen at random is between the ages 10 and 13, given that…

A: Required probability is Pstudents ages 10-13/skip breakfast

Q: A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and…

A:

Q: A report indicates that 75% of all Parliament members agree with the proposal to lower the voting…

A: we have to find the probability that fewer than 65 Parliament members of 220 disagree with the…

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: A car insurance company has determined that 9% of all drivers were involved in a car accident last…

A:

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…

Q: Empirical evidence suggests that 25% of Florida drivers are uninsured. If four random Florida…

A: The probability of more than one driver is uninsured can be calculated using Binomial distribution:

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.