Direction: Tell whether each variable is DISCRETE Or Co 1. Time required for a vehicle to cover 20 km. 2. Number of airplanes in an airport. 3. Population of ants inside a cave 4. Headcount of animals in a zoo 5. Volume of water

Q: A- Explain the following • Random Experiments. • The Variance of data. Bayes' Theorem.

A: 1. Random Experiments: A Random Experiment is an experiment, trial, or observation that can be…

Q: What is the statistics processes stages and how do we select a simple random?

A: Simple Random Sampling : It is the technique of drawing a sample in such away that each unit of the…

Q: 1. What is the probability of the event "Today is not a holiday and there is a storm, but there is…

A: Storm (S): There is a storm.Flood (F): There is a flood. Holiday (H): Today is a holiday.Closed (C):…

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

A: 50 voters were selected from each county in the state and ask whether they approve or disapprove of…

Q: According to her doctor, Mrs. Pham's cholesterol level is higher than only 15% of the females aged…

A: As per doctor's report, the cholesterol level of Mrs. Pham is more than  of the females who are aged…

Q: Block randomisation is used in experimental research to counteract: Select one: O a. expectancy…

A: Given that, Block randomization can be used in experimental research to counteract

Q: What are the difficulties of learning random variable and probability distribution?

A: We know that the,  A random variable is a variable whose value is unknown OR a function that…

Q: Explain the Difference between the sample space and random variables?

A: Sample space: The sample space is the collection of all outcomes, if a random experiment is…

Q: To predict the outcome of an election, 2500 likely voters are randomly selected to take a survey.…

A: Random Sampling It is the sampling technique where each unit of the population has an equal chance…

Q: 11. Problem 13 in Chapter between weight and in men. Weights were cla and had a mean of M = measured…

A: Given that'

Q: Why is it important for the researcher to use probability sampling methods?

A: For a sampling method to be considered probability sampling, it must utilize some form of random…

Q: Random sampling is the best sampling technique because it guarantees that our sample will be…

A: Given: Random sampling is the best sampling technique because it guarantees that our sample will be…

Q: How many people should be invited to a party in order to make it likely that there are two people…

A: Using indicator random variables.

Q: Find some examples for each type of probability sampling? Find some examples for each type of…

A: Probability sampling involves random selection, allowing you to make strong statistical inferences…

Q: Which of the following strategies can be employed to minimize the effect of confounders in a study?…

A: We have given the following statement about the confounding.

Q: FORTUNE Magazines released its annual list of the "100 Best Companies to Work For" on Feb 8, 2010.…

A: The table shows the company name and number of new jobs. Company New jobs 5.1 Ernst+Young 2800…

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: Team LA Lakers (W) LA Clippers (W) Miami Heat (E) Chicago Bulls (E) Male 55 42 30 20 Gender Female…

A: male female total LA lakers 55 18 73 LA clippers 42 10 52 Miami heat 30 18 48 Chicago…

Q: You constructa sample in which Whites, Blacks, and Latinos are randomly selected from the U.S. adult…

A: Given Information: To find out the correct answer.

Q: Describe a matched pairs experiment to see if right hand strength is greater than left-hand strength…

A: A "matched pairs" design is a type of block design that assigns individual units to both treatments…

Q: In the tigerstats package we find the beans data frame: data(beans) View(beans) help(beans) This…

A: Experiment: Experiment is a procedure in the statistics used to get the data for the study. Its an…

Q: selected at random find:  P(Statistical Calculator) =  P(Statistical Software) =  P(Require a…

A:

Q: Emphysema. The respiratory disease emphysema, which is most commonly caused by smoking, causes…

A:

Q: What do you understand by conditional random variable?

A:

Q: Pick the Test (Z-test, Single Sample T-test, Independent Sample T-test, Paired Sample Ttest, ANOVA):…

A: Here we should find which test is to be used to compare the athletic ability and experience. Please…

Q: Qualitative or quantitative The high school types of randomly selected college students

A: Qualitative data : Qualitative data are measures of 'types' and represented by symbol, or a number…

Q: A survey on customer satisfaction at a bank is carried out by asking everyone who visits the bank on…

A: Sampling methods: In simple random sampling, all the units in the population have equal chance of…

Q: QUESTION The table below shows the two-way classification of 400 undergraduate students who were…

A: Solution :  let A: Number of cigarettes smoked per day      B : Level of cardio-vascular problem…

Q: what is experiment, outcomes and probabilities. Define and give example What is the formula on how…

A: Experiment: The research on any topic which wants to derieve an objective understanding of the…

Q: Why can we consider the sample mean in random samples of size n from a given population to be a…

A: We consider the sample mean in random samples of size n from a given population to be a random…

Q: What is the statistics processes stages and how do we select a simple random ?

A: In statistical analysis, the sampling is defined as selection of subjects from the population so as…

Q: Jump to level 1 The additional growth of plants in one week are recorded for 6 plants with a sample…

A: Given data,n=6x=10s=1α=0.10df=n-1=5

Q: a. If 20 households are selected at random, let X be the number of households who own a pet.…

A: Yes, it's a binomial distribution as it follows the following conditions. Fixed number of trials…