YouTube is a popular destination on the internet; let's look at how YouTube usage is distributed among age groups. According to the Pew Internet and American Life Project, about 70% of internet users aged 18-29 have visited YouTube, along with 51% of those aged 30-49 and 26% of those 50 or older. About 30% of adult internet users are 18-29 years old, another 45% are 30-49, and the remaining 25% are 50 and over.(a) Calculate the probability that a randomly selected internet user has used YouTube.(b) If we randomly select a YouTube internet user, what is the probability they are aged 18-29?

Q: What is the median number of fossils found by students?

A: Median is defined as the middlemost observation present in a dataset, when the data set is arranges…

Q: The side-by-side boxplots show the cumulative college GPAs for sophomores, juniors, and seniors…

A: Given, Boxplots show the cumulative college GPAs for sophomores, juniors, and seniors taking an…

Q: Which questions would you pair to form a cross tabulation to uncover the following relationships?…

A: The following are the pairs of questions used to form a cross tabulation from a set of data that…

Q: Since elderly people may have difficulty standing straight, a study aims to predict overall height…

A: In the given data set overall height is a dependent variable and the knee height is an independent…

Q: calculate the median and mean of the justice's years of service 2. what proportion of the justices…

A: The question is about to find descriptive Stats Given : To find : 1 ) Median and mean of years of…

Q: CEO ages E

A: Complete Table:

Q: When a population distribution is moderately skewed, unimodal, without outliers?

A: The sampling distribution of the statistic is said to be symmetric if any of the following…

Q: Please Clarify: Items  Net Sales 1. Descriptive statistics on net sales and descriptive statistics…

A: To find: 1. Descriptive statistics on net sales and descriptive statistics on net sales by various…

Q: Question about making a bar graph.....The number of deaths among persons aged 15-24 years in the…

A: Graph:  A chart is a visualization of information that is constructed. A graph is a path or shape…

Q: A survey of a group's web habits for the past month obtained the following information. 44% visited…

A: According to the given information, we have Given that a survey of a group's web habits for the past…

Q: Given Ho:u = 26, Hu # 26, and P = 0.027. Do you reject or fail to reject H, at the 0.01 level of…

A: Given Data: p=0.027 Level of significance=0.01

Q: What percentage of those sampled had high blood pressure? What percentage of those sampled were over…

A:

Q: 25. Each year America.EDU ranks the best paying college degrees in America. The following data show…

A: Enter the data in excel as shown below

Q: Refer to the graph showing the distribution of fatal traffic accidents in the United States…

A: let the total traffic facilities that happened in that year be x.  by seeing the graph we can see…

Q: The Centers for Disease Control and Prevention (CDC) Agricultural deaths Cumulative frequency…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: 2. An article a Florida newspaper reported on the topics that teenagers most want to discuss with…

A:

Q: Black Friday is a colloquial term for the Friday following Thanksgiving Day in the United States.…

A: Given Data : Total sample size = 550 Number of success = 357

Q: The salaries of the employees at four companies are summarized below. Answer the questions about…

A: The objective of the question is to determine which company has the highest average salary and which…

Q: Find a set of 5 items that has a range of 9, a mean of 15, a median of 14, and a mode of 11

A:

Q: In 2010, the Maricopa Community College District's enrollment data showed the following breakdown of…

A:

Q: without health insurance, the mean and median income was $53,373 and $39,000, respectively. Does…

A: According to the U.S. Census Bureau's Current Population Reports 2013, the mean and median income…

Q: A report gave the accompanying data for the 50 U.S. states on the percentage of the population that…

A: Data : N = 50 (even){…

Q: $52,534 $51,382 $51,698 $51,867 $51,397 o $53,988 $53,097 $51,212 $53,075 $51,397 the mean,…

A:

Q: Part 1 Thirty-five graduating students at a local community college were surveyed to find their age…

A: Given data,…

Q: The following data are the distances between 50 retail stores and a large distribution center. The…

A: An outlier is an observation that lies abnormally from other values in a random sample from a…

Q: The following table provides data on access to running water in the home for a certain developing…

A:

Q: Part a through c please

A: To complete parts (a) through (c) of the given problem, let's go through each part step-by-step:Part…

Q: Does this table data include mean, median, or mode? What kind of level of measure is used?

A: The data consists the monthly cost of groceries for college students of 51 states.

Q: Social Survey is an annual survey given to about 1500 U.S. adults selected at random. A recent…

A:

Q: Describe the difference between prevalence and incidence. explain in details

A: Prevalence: Prevalence is used to measure how much of disease or condition is there in the…