A polling company reported that 33% of 2302 surveyed adults said that they play baseball. What is the exact value that is 33% of 2302? What could be the actual number of adults who said that they play baseball? Among the 2302 respondents, 334 said that they only play hockey. what percentage of respondents said that they only play hockey?

Q: Compute a 90% confidence interval for the proportion of American adults who mostly drink diet soda.…

A: We have number of sample n= 2027  Number of favourable x= 485 number of people surveyed most drank…

Q: what is the mean of both 40,200 and 41,750

A:

Q: Among 1018 respondents,241 said that pesticides are not all annoying. What percentage of respondents…

A: Given information: Total number of respondents, N = 1018 The number of respondents out of N = 1018…

Q: there are 347 people that take a survey and assume that 112 of them are women. what percentage of…

A: The percentage of females in the survey is calculated below:

Q: The magazine Tech Worx reported that 87% of software engineers rate the company they work for as "a…

A: From the provided information, Sample size (n) = 210 From which 176 rated the company they work for…

Q: When 345 HS students were surveyed, 125 said that they completed a driver's education class prior to…

A:

Q: When taking a 29 question multiple choice test, where each question has five possible answers, it…

A: Solution 10 or More questions are unusual

Q: If the number of respondents in the study was approximately 44,947, estimate how many stated that…

A: answer is below

Q: At the college of science department in a university, 150 were surveyed and 20 of them were found to…

A:

Q: 3. In a Gallup Pool, 52% of 1038 surveyed adults said that second hand smoke is "very harmful". What…

A: Following information is given:   Total number of people survey = 1038 Percentage of people who said…

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: Find the proportion of the respondents who said that closing local papers would hurt civic life a…

A: Given that, No. of respondents (n) = 1001  No. of respondents said it would hurt civic life a lot…

Q: ecause of practical considerations you ultimately decide to survey 100 people and find that 75 of…

A: here , from 100 people and find that 75 of them would prefer to work at home to some extent. n = 100…

Q: According to the results of a survey,  32%  of  102  people indicated that American football is…

A: Consider the level of significance as 0.05. Computation of critical value:…

Q: When taking a 26 question multiple choice test, where each question has five possible answers, it…

A: Here n = 26 and p = 0.2

Q: Nielsen media research determined the precise proportion of all Americans watching the super bowl by…

A: Population is the set of all objects of interest. Sample is a subset of the population. A sample is…

Q: Many young men in North America and Europe (but not in Asia) tend to think they need more muscle to…

A: It is given that,Sample mean = 2.35.Population standard deviation, sigma is 2.5.The sample size, n…

Q: The average college student drinks 12 cups of coffee a week. What type of test was computed to make…

A: Here, the average college student drinks 12 cups of coffee a week.

Q: The average (mean) score on an exam was 76.375 in a class consisting of 21 Administration students…

A: From the provided information, The average score on an exam was 76.375 consisting 21 Administration…

Q: A Sample of 25 cities have been classified as high or low on their homicide rates and on the number…

A: The formula for chi-square is, χ2=∑fo-fe2fe In the formula fo is the observed frequency, fe is the…

Q: According to recent data, 33% of people are left handed. In a sample of 200 people, how many would…

A: Answer: From the given data, Let X: Left handed people Sample size (n) = 200 P(left handed people) =…

Q: According to Inc.com, 79% of job seekers used social media in their job search in 2018. Many believe…

A: a) The null and alternate Hypothesis are H0 : p≤0.79Ha : p>0.79 The sample proportion is…

Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…

A: Given: 328 patients completed the survey 211 patients returning

Q: f the score of 3 courses for a student who studied at a university are 81, 62, 74 with credit hours…

A: Solution: The scores of three courses for a students are  X= 81, 62 and 74 The credit hours  that is…

Q: Suppose that a poll taken 10 years ago found that 56% of parents spank their children. Suppose a…

A: In a poll 10 years ago it is found that 56% of parents spank their children.

Q: In a survey of 1536 adults, 36% responded "yes" to the survey question. How many adults answered…

A: From the provided information, Sample size (n) = 1536 36% responded “Yes” to the survey question.…

Q: The mean score of a girl in 3 tests is 68. What should her mean score in 2 remaining tests be in…

A:

Q: estimate the proportion of tenth graders reading at or below the eighth grade level. Ente

A: It is given thatThe total number of tenth graders =1265The number of students read above the eighth…

Q: Polling company reported that 57% of 2286 and said that they play football. What is the exact value…

A: Given values, Percentage of adults who play football = 57% Total number of adults = 2286 Number of…

Q: recent study revealed that 49% of adult Americans believe human activity contributes a great deal to…

A: Given that, A recent study revealed that 49% of adult Americans believe human activity contributes a…

Q: Last year, 41% of business owners gave a holiday gift to their employees. A survey of business…

A: Given Information : Population proportion , p = 0.41. Sample proportion , p⏞ = 0.32. Number of…

Q: The World Health Organization analyzed generic drugs in 45 countries. It collected 3,575 samples.…

A: Given data: The World Health Organization analyzed generic drugs in 45 countries. It collected 3,575…

Q: Among the 2302 respondents, 56 said they have more than five tattoos. What percentage of respondents…

A:

Q: An opaque jar contains 300 marbles, all either green or purple. Calista pulls out 10 marbles without…

A: # Given: no of marble in jar N=300  Sample of size n=10 drawn  No of purple marble in sample =2…

Q: If five out of every sixteen students prefer to write with pens over pencils, what proportion of…

A: Given that, five out of every sixteen students prefer to write with pens over pencils.The aim is to…

Q: A test question is good if it discriminates between prepared and unprepared students. The first…

A:

Q: among the 1018 respondents, 428 said that pesticides are "not at all harmful."  What percentage of…

A: Total number of respondents = 1018Total number of respondents said that pesticides are "not at all…

Q: When taking a 28 question multiple choice test, where each question has five possible answers, it…

A: Given that, When taking a 28 question multiple choice test, where each question has five possible…

Q: local competitive board game club only admits members who gain an accumulated competition score that…

A: According to our policy we can answer only first question for remaining please repost the question.

Q: In a recent Gallup poll, 1003 randomly selected adults in the United States were asked if they have…

A: According to the provided information, 1003 randomly selected adults in the United States were asked…

Q: A study was conducted to investigate a relationship between the colors of helmets worn by motorcycle…

A: When the given sample size is less than 30, then we use a small sample test in hypothesis testing.…

Q: According to recent data, 12 percent of people are left handed. In a sample of 20 people, how many…

A: Answer: Using the given data, Let X denotes the number of people who are left handed P(left handed)…

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.