survey of 517 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night.  It found: 172 hung out with friends 195 ate pizza 46 watched TV and ate pizza, but did not hang out with friends 49 watched TV and hung out with friends, but did not eat pizza 36 hung out with friends and ate pizza, but did not watch TV 47 watched TV, hung out with friends, and ate pizza 90 did not do any of these three activities How may 18-24 year olds (of these three activities) only watched TV last Friday night?

Q: 3) The one-time fling! Have you ever purchased an article of clothing worn the item once to a party,…

A: n=7p=0.10q=1-p =1-0.10=0.90

Q: Psychologists tend to believe that there is a relationship between aggressiveness and order of…

A: It is required to find the probability that a student is aggressive, given that they are firstborn.

Q: A survey of 550 adults aged 18-24 year olds was conducted in which they were asked what they did…

A: Let A, B, C be denote the following A: People who watched TV B: People who hung out with friends C:…

Q: In a study of teen cell phone use, 117 high school students were observed as they drove out of their…

A: Solution Given out of 117 students drive their vehicles to school and 46 were taking on their…

Q: ith short-game shots, 99 need the most help with approach and swing, 42 need the most help with…

A: Given: H0: p1=0.65, p2=0.22, p3=0.09, p4=0.04 Ha: At least one proportion is not the same. The…

Q: You are interested in whether level of education influences a person's exposure to the media. You…

A: The experiment is aimed to find whether the level of education influences a person's exposure to the…

Q: The General Social Survey is an annual survey given to about  1,500  U.S. adults selected at…

A:

Q: The results are shown in Table 1. Help the employer to decide whether the days for highest number of…

A:

Q: In a business survey for the Best Purchase Company Joey found from collecting data on 100 households…

A: Solution

Q: In a survey of 380 households regarding the ownership of HD TVs and non-HD TVs, the following data…

A: Let us denote:H=event of having one or more HD TVsN=event of having one or more non-HD TVsGiven that…

Q: Gallup conducted a survey of 1,015 randomly selected U.S. adults about "Black Friday" shopping. They…

A:

Q: Forty-three percent of americans use social media and other websites to voice their opinions about…

A: The data is provided for a survey of 1400 individuals who were asked if they use social media and…

Q: What percentage of the sample were female drivers?

A: It is given that Total = 5+7+11+9 = 32 Number of females = 7+9 = 16

Q: According to a poll conducted by the Gallup Corporation in March 2011, the metropolitan areas with…

A: Given, according to a poll conducted by the Gallup Corporation in March 2011, themetropolitan areas…

Q: 100 people with three different college majors were asked which social media site they prefer. Is…

A: Here 100 people with three different college majors were asked which social media site they prefer.…

Q: A survey was taken at a nursing home regarding preferences in music and it was found that:  12…

A: We have to find n.

Q: Correlations Interpersonal Perception Accuracy: All (#Correct) Static Facial Emotion Pearson…

A: Decision rule : significant correlation if P-value  <  α Here  P-value = 0.015 < 0.05 = α.

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: You are interested in whether level of education influences a person's exposure to the media. You…

A: Solution: From the given information, Here, it is needed to identify the two control variables that…

Q: port club, there are 70% males’ members and 30% females’ members. 60% of males play football and 40%…

A: Given: In a sport club, there are 70% males’ members and 30% females’ members. 60% of males play…

Q: 9 out of 15 teachers in a school staff meeting were first year teachers. What percentage of the…

A:

Q: A survey of recent college graduates yielded the following information: 59 graduates earned a…

A: The number of graduates earned a degree in mathematics is n(M) = 59.

Q: An employer wants to know which days of the week employees are absent due to medical leave (MC) in a…

A: For the given data, we need to help the employer to decide whether the days for highest number of…

Q: Some researchers in the Statistics department are interested in testing whether or not there is an…

A: From the given information, the claim of the problem is testing whether or not there is an…

Q: Was this an experiment or an observational​ study?

A: Here the individual is men and treatment is whether men diagnosed with cancer are assigned to…

Q: During a study, we asked a sample of 1200 students (760 women, 440 men) about how they felt about…

A:

Q: A survey was taken on course selection and gender. The results are represented in the table below.…

A:

Q: out of 1080 responds, 44 people responded to strongly agree hand held cell phone while driving. what…

A: The total number of respondents (n) is 1080.

Q: hey sampled 361 people. People were allowed to self-identify as a heavy smoker or a non-smoker…

A: The question is about chi square test Total no. of people sampled ( N ) = 361 No. of people who did…

Q: Gallup conducted a survey of 1,015 randomly selected U.S. adults about "Black Friday" shopping. They…

A: Suppose pM, pW are the true population proportions of men and women who planned to shop on the…

Q: A survey of 50 students showed that 25 were taking psychology, 20 were taking math, and 8 were…

A:

Q: A survey of 125 freshmen business students at a local university produced the results listed below.…

A:

Q: A group of 1440 students was surveyed in October 2018 about their sleeping patterns and consumption…

A: Answer 16: This is a type of cohort study. Explanation: Cohorts study aims to study the outcome in…

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.