As part of a statistics project, a teacher brings a bag of marbles containing 700 white marbles and 300 red marbles. She asks her students to determine how many red marbles are in the bag without counting them. A student randomly draws 100 marbles from the bag. Of the 100 marbles, 33 are red. The target population consists of The 100 marbles drawn by the student The 1000 marbles in the bag None of the above The 33 red marbles drawn by the student The 300 red marbles in the bag The sample consists of The 1000 marbles in the bag The 100 marbles drawn by the student The 33 red marbles drawn by the student None of the above The 300 red marbles in the bag Based on the sample, the student would estimate that ------   marbles in the bag were red

Q: Four students achieve the following grades on their midterm which was out of 20 marks: 4, 4, 4, 20.…

A: The mode is 4 as its is the highest occurring frequency. So it will reflect the accuracy or more…

Q: B) People shopping at the grocery store are interviewed to see whether or not they enjoy artichokes.…

A: In this case, each sampled person has the only options of "like" (defined as success) or "dislike"…

Q: At The Fencing Center, 60% of the fencers use the foil as their main weapon. We randomly survey 28…

A: Given n=28 P=1-0.6=0.4

Q: The Human resource team is surveying employee satisfaction. Among the stores it has around the…

A: cluster sampling and how the human resource team's approach to surveying employee satisfaction using…

Q: Write the Sample space, outcome or event of the ff: 1. A couple has 4 children. If 2 of their…

A: The total outcomes of couple has 4 children is, Therefore, the total no.of outcomes are, 16

Q: 6. Carlos has a quarter, a nickel, and a penny in his right pocket. In his left pocket, he has 2…

A: Given that Carlos has a quarter, a nickel and a penny in his right pocket while he has 2 blue…

Q: Identify the population and sample. In a random sample of Salinas residents, 137 said they would…

A: Population: The population in a statistical study is the entire group of individuals about which we…

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: se Brianna's sample to estimate the number of red gumballs in the jar.

A: Given that  Class jar containing 200 gumballs of two different colors  (Red and green) Brianna draws…

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: The number of students taking the Scholastic Aptitude Test (SAT) has risen to an all-time high of…

A: The number of times the SAT was taken and the number of students are as follows.     Number of…

Q: Suppose a certain virus (sorry!) affects 0.3% of the population. A test used to detect the virus is…

A: 0.3% of 100000 population have virus.  0.3*100000/100= 300  people have virus.  88% have virus and…

Q: 36% of the children in a school have a dog, 24% have a cat, and 12% have a dog and a cat. What…

A: The percent of those who have a cat also have a dog is, PDog|Cat=PDog ∩…

Q: Traffic department wants to know if automobile accident is a very serious problem in New York…

A: Hey, since there are multiple questions posted, we will answer first three questions. If you want…

Q: If 200 subjects were studied and 120 of them expressed a preference for Brand X, what percentage…

A: The total number of subjects is 200.

Q: What is the variance and standard deviation for the number of times the SAT is taken?

A: We want to variance and standard deviation

Q: bookstore found out that 23% of their customers buy a book, 34% of their customers buy 2, and 39%…

A: Given : A bookstore found out that ; 23% of their customers buy 1 34% of  customers buy 2 books 39%…

Q: In a crop of blueberries, there will be an average of 6500 berries with stdev = 318 %3D berries. The…

A: Given : Mean , μ= 6500 standard deviation, σ = 318

Q: NAME: Period: Team Seat #: 1-70. Imagine that you have a bag containing 10 marbles of different…

A:

Q: The names of all 50 students in a class are written on identical slips of paper, and the slips are…

A: The sample can be drawn from population in different ways. Some of the basic sampling methods are…

Q: How many success in the sample? How many failures in the sample? ? What size sample does the…

A: Answer:-  Given, n=1800

Q: What is the probability that a student takes the SAT more than one time? Q-2  Refer to the data…

A: From given table, Total = 721769+601325+166736+22299+6730 = 1,518,859

Q: Do what is ask. Show complete solution The Commission on Higher Education is conducting random drug…

A: To take a random sample of 10 students from the 672 students, write the names of all students on…

Q: You know that 70 percent of the subs at theme parks in the US are yellow.  There are 220 subs in…

A: Solution Given that  We have total sub parks in the US = 220 we know , 70% of them are yellow = 154

Q: A survey found that 58% of American adults said they use the Internet. If 20 American adults are…

A: Answer - A survey found that 58%   i.e P = 0.58               n= 20,    x = 12

Q: At a football game, 40 fans were randomly surveyed. Of the sampled fans, 6 named Daren as the best…

A: The objective of this question is to estimate the number of fans who would likely name Daren as the…

Q: As a part of a class project, a teacher brings a jar of 200 jawbreakers of three different colors,…

A: Given that one student draws 30 jawbreakers from the jar, of which 9 are orange, 11 are red and 10…

Q: In a statistics activity, students are asked to spin a penny and a dime and determine the proportion…

A: Please see the attachment.......

Q: Students at Bell Middle school are allowed to wear two different colors of uniform shirts a survey…

A: Given,Students at Bell Middle school are allowed to wear two different colors of uniform shirts a…

Q: 65% OF A FIRMS EMPLOYES ARE FEMALE 42% of the firms employees are female office workers. what…

A: Given Information 65% OF A FIRMS EMPLOYES ARE FEMALE 42% of the firms employees are female office…

Q: A survey was conducted by a website on which online music channels subscribers use on a regular…

A: 11 listened to rap, heavy metal, and alternative rock. 18 listened to rap and heavy metal. 20…

Q: Scott surveyed 40 friends on Facebook and asked them where they were born and where they went to…

A:

Q: As part of a sixth-grade class project the teacher brings to class a large jar containing 200…

A: Given, Population size = 200 Sample size = 25 Red gumballs = 15 Green gumballs = 10

Q: A city official would like to know if there is public support for increasing funding for arts…

A: Here the city official is collecting the data by standing the concert hall after a show and surveys…

Q: Basketball players can take shots worth 333 points, 222 points, or 111 point. A scout is assessing…

A: It is required to draw an appropriate conclusion from the given test results.

Q: A fundraiser is offering a small gift to people making a donation. The donor can choose one of four…

A: The data shows four gifts with a mug, a t-shirt, a plush toy, and a water bottle.

Q: the correct conclusion for this test of the hypotheses H Pp-Pp=0 and H Po-Pp< 0 at the a =0.05…

A: The p-value is given by 0.296 And the level of significance = 0.05

Q: 3. If you assume that the observations in the sample are independent, what is the smallest value the…

A: See solution

Q: Construu venn diagram illustrating these results. Then answer the questions. All people in the…

A: Given Information : Total number of people = 254 Number of people who own a dog but not a cat = 143…

Q: . A. Ventura is interested in determining what kinds and how many pets people own in Bakersfield. He…

A: Provided information is, Dr. A. Ventura is interested in determining what kinds and how many pets…

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.