Changing jobs: A sociologist sampled 204 people who work in computer-related jobs, and found that 40 of them have changed jobs in the past 6 months. Answer questions.

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: According to the U.S. Census Bureau, 69% of children under the age of 18 years in the United States…

A: a. Here, it is of importance to know whether the new sample shows 69% of the children live with two…

Q: What did you learn about working in a group that you will carry into your next group experience?

A: * For any analysis, it is really necessary to analysis effect for any treatment with a group.  * On…

Q: A researcher collects data from 50 different individuals and wants to understand the correlation…

A: The objective of the question is to determine the degrees of freedom in a correlation analysis…

Q: The proportion of individuals in the United States who reported being “very happy” in 2014 was…

A:

Q: Part 1 of 3 Find the range. The range is 30 Part: 1/3 Part 2 of 3 Find the variance. The variance is…

A:

Q: 6 of the last 10 sundaes sold had nuts. Considering this data, how many of the next 5 sundaes sold…

A: The probability that sundaes sold had nuts is, Psold sundaes have nuts=610=0.6 The probability that…

Q: A study of the career plans of young women and men sent questionnaires to all members of the senior…

A: 1)   It is needed to test, whether the job status of the students is independent oftheir choice of…

Q: A May 2001 Gallup Poll found that many Americans believe in ghosts and other supernatural phenomena.…

A: Given information: Number of randomly selected adults n=1591 The given number of people who…

Q: YouTube is a popular destination on the internet; let's look at how YouTube usage is distributed…

A: Event Y denote that selected internet user has to use internet and Ai ,i=1,2,and 3 denote that…

Q: A researcher determines that 8% of the males enrolled in Introductory Psychology have some form of…

A: Given information:      Proportion of men affected by color blindness = p1 = 0.08      Proportion of…

Q: A survey asked a random sample students if they estimated they spent more or less than an hour a day…

A: More Less Total 7th grade 24 25 49 8th grade 28 26 54 total 52 51 103   here we add total…

Q: researcher collects data from 30 different individuals and wants to understand the correlation…

A: the sample size is n=30

Q: According to you which is the best method of collecting data for a social research - Interview or…

A: According to me, Focus group is better method of data collection. It is also a kind of interview but…

Q: in a gallup poll of randomly selected adults, 66% said that they worry about identity theft.  For a…

A: Given,         sample size(n) =1013    The probability of an adults said that     They worry about…

Q: How many of the 3088 subjects used at least one prescription​ medication?

A: Number of adults aged 57 through 85 years in a survey, n = 3088 p be the probability that an adult…

Q: You are an education researcher interested in studying if race or ethnicity affects the severity of…

A: You are an education researcher interested in studying if race or ethnicity affects the severity of…

Q: An entrepreneur owns 20 corporations, each with more than $10 million in assets. The entrepreneur…

A: Given information: The number of corporations owned by an entrepreneur, n = 20. The entrepreneur…

Q: There are a total of 27,985 students that attend Liberty University Online. Out of those students,…

A: Sample mean  = 45 n = 4865

Q: 81% of students say that they do not get enough sleep

A: Given that  81% of students said that they do not get enough sleep. P=81% = 0.81 q= (1-0.81) = 0.19…

Q: If you periodically collect samples of 25 undergraduates, how much will the sample mean vary from…

A: Consider X as a random variable that denotes the cost of attendance for undergraduates in the US.…

Q: uppose you are conducting a study about how the average US worker spends time over the course of a…

A: From the given information, the population mean is 24.1.

Q: A company would like to know if efficiency can be improved through a training course for employees.…

A: Given   A company would like to know if efficiency can be improved through a training course for…

Q: A study asked people many questions about their cars. One question was the reason that a person…

A: SafetyReliabilityCostPerformanceComfortLooks806844414127Total no. of cars=301In this study there are…

Q: Bradley Nixon is interested in the study habits of online math students.  As part of his study, he…

A: First need to understand about sample and population. Population: It is the set of all the possible…

Q: According to a report published by the center for Disease Control (CDC) in 2011, approximately one…

A: Here we explain the result.

Q: The relative frequency of 65 out of 125 male workers in H & B Company.

A:

Q: An investigator wants to assess whether smoking is a risk factor for pancreatic cancer. Electronic…

A: A case-control study is designed to determine if an exposure is associated with an outcome (i.e.,…

Q: Suppose the mean time spent at work per day from the most recent census is 8.32 hours, with a…

A: Answer:- Given, The mean time spent at work per day from the most recent census is 8.32 hours, with…

Q: In 1993 approximately 62.1 million Americans suffered injuries, as reported by the National Center…

A: Given:   Male Female Total While at work 19 5 24 Home 24 27 51 Motor vehicle 4 7 11 Other…

Q: Texting while driving has become a national focus now that cell phones are ubiquitous and texting…

A: Given that n=300 and x=142 Consider, n=xn=142300=0.4733 Given confidence level is 95% The z critical…