if 540 people preferred walking and 900 people were surveyed how many people preferred running.

Q: Who make more Jamie or Jessica and how much more?

A: Provided information is, Jessica makes median salary for an Actuary and Jamie makes first quartile…

Q: How many patients were lost to contact?

A: The given table shows the year of death, year of last contact, time and number at risk, number of…

Q: In the freshmen class, 62% of the students take Math, 49% take Science, and 38% take both Science…

A: It is given that, P(Math) =62%=0.62 P(Science) =49%=0.49 P(Math and Science) =38%=0.38

Q: A survey shows that 3/5 Australian adults are overweight and 1/10 Australian adults are obese. What…

A:

Q: How many students passed all three exams?

A: here from given information define events and draw venn diagram  student fail in math(algebra) = M…

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

A: answer is below

Q: if 26,000 people make up 16% of a population, what is the total population? show how you get your…

A:

Q: At a local Dunkin’ Donuts, a survey showed that out of 1,090 customers eating lunch, 327 ordered…

A:

Q: Which types of car were driven by more than 623 respondents in the survey?

A: Here use proportion from given pie chart And calculate no of people drive that type of car

Q: percent of those that play FIFA also play DOTA?

A: Here use Bayes rule

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: If 55% of the books have been signed out, what percent of the books have not been signed out?

A: Given that: According to the question, 55 % of the books have been signed out. Signed  out=55…

Q: . In Exton School, 60% of the boys play football and 36% of the boys play ice hockey. Given that40%…

A: Let us define the events as, A: Boys who play football.B: Boys who play ice hockey. From the given…

Q: Of the trains that recently arrived at Hampton Station, 4 were on time and 2 were late. Considering…

A:

Q: If 90% of the athletes who test positive for steroids in fact use them, and 10% of all athletes use…

A:

Q: Which company should Tiago chose? Explain why.

A: Given: Company A-  Mean = 845€ Median = 800 € Standard deviation = 260€ Company B-  Mean = 875€…

Q: What percentage of the people who worked were males?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 What percentage of the…

Q: A. What was the population in 1850?

A:

Q: You survey 100 people and find that 75 of them would prefer to work at home to some extent. When…

A: Given: You survey 100 people and find that 75 of them would prefer to work at home to some extent.…

Q: The data collected from the 12 female & the calculations asking in the project are shown in the…

A:

Q: If eight out of every fifteen trick-or-treaters that came to your house last Halloween were dressed…

A: Total number of trick and treaters is 15x. Total number of trick and treaters who were dressed as…

Q: A management survey for a company surveyed 235 employees. 105 of the employees surveyed were…

A: Given, Number of employees= 235 Female employees= 105 Male employee % =?

Q: If the labour force participation rate is 45%, how many are in the labour force?

A: Labour Force= 40 million * (45/100) =18 million

Q: A survey was given to 90 high school students. They were asked if they preferred fiction or…

A: so, let no. if outdoor Non-fiction be "x" total indoor + total outdoor =9050+ (30+ x )=9080+x=90x=10…

Q: How many males were surveyed?

A: It is given that Total = 516 Number of females = 259 Number of males = 257

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 555 were…

A: Given data, Total number of nurses=800 in which Health club member nurses =430 Smokers nurses =555…

Q: Mary ann,hazel,and analyn want to know what numbers can be assigned for the frequency of heads that…

A: Three coins are tossed :  When 3 coins are tossed, the possible outcomes are HHH, TTT, HTT, THT,…

Q: How many people surveyed ?

A: The number of people information is included in a sample is the number of people surveyed.

Q: In a recent survey of 180 people who drink coffee or tea, it was found that 137 drink coffee and 74…

A:

Q: of the population have high school scores less than 77?

A:

Q: Out of 1000 people surveyed, 850 said they like chocolate.  What proportion of people surveyed said…

A: Given: The total number of people surveyed is 1000 850 people said they like chocolate We have to…

Q: In a survey of 3063 adults aged 57 through 85 years, it was found that 80.8% of them used at least…

A: Number of adults surveyed, n = 3063 And proportion of them used at least one prescription…

Q: The percentage of buyers who paid between $14,000 and $22,000 is %.

A: Let , X→N(μ=18000 , σ=2000) By  using 68-95-99.7 rule ,  We want to find the P(14000<X<22000)…

Q: What percent of students take exactly one courses? %

A: HerecI HAVE COMPLETED ENTIRE TABLE JUST FOR YOUR INFORMATION

Q: a survey showing the popularity of the current governor gives an approval rating between 42% and…

A:

Q: 4 were on time and 2 were late, how many of the next 12 trains would you expect to be on time?

A: The probability that the train would be on time is, Pon time=46=23 The probability that the train…

Q: How many performers earned exactly 1 star?

A: Given: Total number of performers, N = 140 Percentage of performers got 1 star = 15%

Q: Could you give a background question where 12! would be the answer?

A: Please find the explanation below. Thank you

Q: Give five different numbers whose mean is 11 and range is 14.

A: Here use basic formula of mean and range

Q: On a test, if 115 questions are answered and 41% of them are correct, what is the number of the…

A:

Q: Suppose that the result of a public opinion poll shows that just 10% of people would be willing to…

A:

Q: class YES NO Undecided freshman 48 21 11 sophomore 34 52 What proportion of those surveyed were…

A:

Q: In a Harris poll of 2302 adults, 14% said they have a tattoo. Approximately how many adults have a…

A: Given information- We have given that in a Harris poll of 2302 adults, 14% have a tattoo. We have to…

Q: How many people only take a cruise for vacation?

A: Solution

Q: A principal of a college wants to estimate the proportion of smokers among his students. What

A: Given : Margin of error, E = 10% = 0.10 Sample proportion = 0.30

Q: A survey was conducted to determine the number people who own different styles of vehicles. The…

A:

Q: What percentage of people eat fruits and vegetables and abstain from smoking, but do not partake in…

A:

Q: What percent of those accused were from Haddington county?

A: The total number of accused were from Haddington County is 539.

Q: If 6units get 50% and 50units get 25%, how much percentage does 27 get?

A: If 6units get 50% and 50units get 25%, how much percentage does 27 get?

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.