r b) and c) below, name the distribution of the random variable described.

Q: A group of students consisting of 20 males and 20 females were selected to participate in a research…

A: The number of female students is 20. Thus, the total number of students is 20+20 = 40.

Q: A group of students consisting of 20 males and 20 females were selected to participate in a research…

A: The number of male students is 20 The number of female students is 20. The total number of students…

Q: Each year, Fortune Magazine publishes an article titled "The International 500" that provides a…

A: Please find answer below. problem is solved using basic concept of probability.

Q: in a simple random sample of 25 companies, 23 have both twitter and facebook accounts. can we…

A:

Q: You randomly sample 300 graduating seniors and 40 indicate that they are going straight to graduate…

A:

Q: ​Claim: Most adults would erase all of their personal information online if they could. A software…

A: Introduction:Denote p as the true proportion of adults who would erase all of their personal…

Q: 20% of men in a certain community are more than 6 ft tall. An anthropologist samples 5 men from a…

A: The binomial dist. is a discrete prob. dist.

Q: For each situation, identify the sample size n, the probability of success p, and the number of…

A: Given: p(smoke) = 0.15, n = 25

Q: According to the Federal Trade Commission report on consumer fraud and identity theft, 23% of all…

A: A variable whose numerical value is determined by the outcomes of a random experiment is termed as…

Q: each score in a random sampling distribution represents what

A: We have given that  We have to define each score in a random sampling distribution :

Q: A world-wide study conducted last year found that adult gamers (people who play a video game at…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: spinner can and on either red or blue.

A: There are two possible outcomes. Red and blue.

Q: A 10 question survey was taken with only yes or no as possible answers. Each questions answers had…

A: Given: Number of questions = 10 Number of trials = 2 (Yes and No) Each questions answers are…

Q: 32% of likely U.S. voters think that the federal government should get more involved in fighting…

A: It is given that n = 6 and p =0.32.

Q: Consider a population with 3 observations: 6, 10 and 12. You use simple random sampling without…

A: Given : Population size (N)=3 6 10 12 Sample size (n)=2

Q: Each month, the census bureau mails survey forms to 250,000 households asking questions about the…

A: In the collection of the data, we can choose any method to collect. We can interview, we can mail,…

Q: Below are the data from the study described in lecture about assessing whether Beagles or German…

A: The random variable digging follows normal distribution. There are two independent samples which are…

Q: A public opinion poll in Ohio wants to determine whether registered voters in the state approve of a…

A: 1..A public opinion poll in Ohio wants to determine whether registered voters in the state approve…

Q: in a survey conducted by a reputable marketing agency, 277 of 1000 adults 19 years of age or older…

A: To ensure that the results of the study are representative of all adults 19 years of age or older,…

Q: For a sample of n=16 scores, how many scores are used to calculate the sample variance?

A:

Q: =0 A club wants to sponsor a panel discussion on the upcoming national election. The club wants four…

A: Simple random sampling is a statistical method where  each member of the population has an exactly…

Q: A university has 30,000 undergraduate and 10,000 graduate students. A survey of student opinion…

A:

Q: 56% of all statistics classes require a statistical calculator and 28% require the use of a computer…

A:

Q: Max would like to know whether there is community interest in having local musicians perform music…

A: In statistics, sampling is a method that allows us to get information about the population based on…

Q: An exam consists of twenty multiple-choice questions. Each question has five different possible…

A: An exam consists of twenty multiple-choice questions. Sample size, n = 20  Each question has five…

Q: The Food Marketing Institute shows that 17% of households spend more than $100 per week on…

A: Given : the population proportion is p = 0.17 and a simple random sample of 800 households will be…

Q: A random sample of 100 women is selected and their average salary is $65,123. What conclusion can…

A:

Q: When a sample contains 100 or more cases, what is the correct probability distribution to use?

A: Given: When a sample contains 100 or more cases, what is the correct probability distribution to…

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.