QUESTIONDetermine whether the random variable described is discrete or continuous. . The weight of a T-bone steak c. The political party affiliation of adults in the United States d. The number of hits to a website in a day e. A random variable models a system of events which show variation that is predictable but not analytical. number of fish caught during a fishing tournament c. The. Question: Determine whether the random variable is discrete or continuous. Your email address will not be published. Find step-by-step Statistics solutions and your answer to the following textbook question: Determine whether the random variable x is discrete or continuous. 5/23 1. (a) The number of hits to a Web site in a day. Explain your reasoning. In the question provided, assuming that any given bag of apples will weigh between 5 and 25 pounds, a bag could weigh 5 pounds; it could also weigh 5.01 pounds, or 5.001 . Answer: Continuous. Continuous and discrete state estimation for switched LPV We already know a little bit about random variables. The variable (speed) can take on an infinite number of values. Answered: Determine whether the random variable… | bartleby 5.The weight of a T-bone steak •Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p •22% of college students . The primary difference between a discrete and a continuous random variable is that a continuous random variable can take on any value within a given range, while a discrete random variable is more limited. A continuous random variable could have any value (usually within a certain range). Explain your reasoning. A) Is the number of hits to a Web site in a day discrete or continuous? a. (a) The number of customers arriving at a bank between noon and 1:00 P.M.. (b) The weight of a T-bone steak. Determine whether the random variable x is discrete or continuous. (a) The number of customers arriving at a bank between noon and 1:00 PM.. (b) The distance a baseball travels in the air after being hit. Explain your reasoning. You have discrete random variables, and you have continuous random variables. Assign Practice. The probability distribution of a continuous random variable is shown by a density curve.. (a) The number of hits to a Web site in a day. (b) The time it takes to fly from city A to City B. A discrete random variable has restricted to defined separated values, for example integers or counts. Weight. The amount of snowfall in December in City A c. The political party affiliation of adults in the United States d. The amount of rain in City B during April e. 2. 1. The number of bald eagles in the country. distance a baseball travels in the air after being hit b. Decide whether the random variable is discrete or continuous. Determine whether the random variable described is discrete or continuous. The number of heads in a single toss of a fair coin. A random variable is denoted with a capital letter The probability distribution of a random variable X tells what the possible values of X are and how probabilities are assigned to those values A random variable can be discrete or continuous Answer (1 of 9): First, keep in mind that a random variable is a model. Let x represent the length of time it takes to get to work.. In each case, state the possible values of the random variable. The number of textbook authors now sitting at a computer. When a random variable can take on values on a continuous scale, it is called a continuous . discrete random variable if its set of possible outcomes is countable. a.The number of bottles of water drunk in Florida in August 2008 Discrete b.The number of wasps in the lab test nest Discrete c.The height of sophomores in a required US History class at Ridgemont High in 2008 Continuous d.The number of players on the Washington Redskins Discrete Explain. Let X represent the length ( in minute) of a movie. Weight. the numbers on the shirts of a boy's football team answer: qualitative Question 7 Determine whether the quantitative variable is discrete or continuous. Numeric variables represent characteristics that you can express as numbers rather than descriptive language. With a discrete probability distribution, each possible value of the discrete random variable can be associated with a non-zero probability. Let x represent the exact time it takes to evaluate 27 + 72. a. The number of free-throw attempts before the first shot is made b. Determine whether the random variable is discrete or continuous. Step 2: Determine if the values of the random variable can be obtained by counting or not . The height of a randomly selected giraffe b. The possible values are x = 0, 1 . Transcribed Image Text. Electrical current. x represents the length of time it takes to get to work. 1. Determine whether the random variable X is discrete or continuous. Leave a Reply Cancel reply. With a discrete probability distribution, each possible value of the discrete random variable can be associated with a non-zero probability. Continuous Random Variable : Already we know the fact that minimum life time of a human being is 0 years and maximum is 100 years (approximately) Interval for life span of a human being is [0 yrs . Let x represent the number of pumps in use at a gas station. (a) The number of fish caught during a fishing tournament . The number of pages in twenty students. Find step-by-step Statistics solutions and your answer to the following textbook question: Determine whether the random variable x is discrete or continuous. Thus, a discrete probability distribution is often presented in tabular form. The time it takes for a light bulb to burn out. Here the random variable "X" takes 11 values only. The random variable is continuous, because it has an uncountable number of possible outcomes. Question: Determine whether the random variable is discrete or continuous. (a) is the number of points scored during a basketball game discrete or continuous ? (a) Take a 40-question examination. a. 3. Decide whether the random variable x is discrete or continuous. Determine whether the value is a discrete random variable, continuous random variable, or not a random variable. Leave a Reply Cancel reply. e. The number of people in a restaurant that has a capacity of 300. a. The square footage of a house b. QUESTIONDetermine whether the random variable described is discrete or continuous. e. A) Is the number of hits to a Web site in a day discrete or continuous? b. ERRO Choose the correct answer below. •Determine whether the random variable is discrete or continuous 1.Number of bald eagles in the country 2.Amount of snowfall 3.Number of statistics students now reading a book 4.The exact time it takes to evaluate 27+72. Homework Worksheet. A discrete random variable has a finite number of possible values. Categories Uncategorized. Continuous Random Variables De nition (Continuous Random Variable) A continuous random variable is a random variable with an interval (either nite or in nite) of real numbers for its range. discr. Determine whether the random variable is discrete or continuous. d. 4/25/2021 ALEKS Sample Question Determine whether the random variable described is discrete or continuous. A random variable assumes distinct values or in a specific interval. So this variable is the continuous random variable. MEMORY METER. Let X represent the number of books in a university library. a. Your email address will not be published. O A. Determine whether the random variable is discrete or continuous. Roberto observed the color and model of each car in the parking lot. The. (a) The number of… The probability that X is between an interval of numbers is the area under the density curve between the interval endpoints d. The number of textbook authors now sitting at a computer. Determine whether the random variable x is discrete or continuous. And discrete random variables, these are essentially random variables that can take on distinct or separate values. In broad strokes, the critical factor is the following: a. If the discrete variable has many levels, then it may be best to treat it as a continuous variable. Let s say you measure the speed (in miles per hour) of the first car to drive by your house. In each case, state the possible values of the random variable. Maybe the car is going 25mph, or 50mph, or 62.00252mph. Continuous and discrete state estimation for switched LPV 13.12.2021 Continuous and Discrete State Estimation for Switched LPV c. The time it takes to fly from city A to City B. d. The number of people w/ blood type A in a random sample of 28 people. The length in seconds of a randomly-selected TV commercial ANSWERA.) A random variable is a variable whose value is a numerical outcome of a random phenomenon. The time it takes to fly from City Upper A to City Upper B. b. Question: Determine whether the value is a discrete random variable, continuous random variable, or not a random variable. Determine whether x represents counted data or measured data. Step 1: Identify the variable in the problem.. One basic type of dynamical system is a discrete dynamical system, where the state variables evolve in discrete time steps. 2. number of hits to a website in a day e. The. (A) Is the number of points scored during a basketball game discrete or continuous? In each case, state the possible values of the random variable. a. Determine whether the random variable is discrete or continuous and state the possible values of the random variable for the following case. A continuous variable is a variable whose value is obtained by measuring. (b) The number of fish caught during a fishing tournament. Progress. There are two types of random variables, discrete and continuous. Question: Determine whether the value is a discrete random variable, continuous random variable, or not a random variable. Explain your reasoning. The number of bald eagles in the country. (ii) The random variable is discrete. Discrete and Continuous Random Variables. The cost of a randomly selected apple b. For instance, a coin flip or a die roll are both predictable to the extent that we have a good idea what values are like. Practice. A discrete variable can be counted, while the continuous variable is measured. Let x represent the height of a randomly selected giraffe. a) The weight of a Upper T dash bone steak. number of people with blood type A in a random sample of 15 people a. Let x represent the speed of a rocket. Determine whether the random variable is discrete or continuous. Weight can take any value, its not limited to some specific digits. The possible values are x >= 0. A continuous random variable is a random variable which has an infinite number of values. If a variable can take on any value between two specified values, it is called a continuous variable; otherwise, it is called a discrete variable. Thus, a discrete probability distribution is often presented in tabular form. a.The random variable is continuous. Now a random variable can be either discrete or continuous, similar to how quantitative data is either discrete (countable) or continuous (infinite).A random variable that takes on a finite or countably infinite number of values is called a Discrete Random Variable.A random variable that takes on a non-countable, infinite number of values is a Continuous Random Variable. Determine whether the random variable x is discrete or continuous. Determine whether the random variable is discrete or continuous. Determine whether the random variable X is discrete or continuous. c. The amount of snowfall. A random variable models a system of events which show variation that is predictable but not analytical. Determine whether the random variable X is discrete or continuous. A discrete random variable is typically an integer although it may be a rational fraction. a) The random variable is discrete. Explain your reasoning. Because "x" takes only a finite or countable values, 'x' is called as discrete random variable. The number of points scored during a basketball game. Determine whether the random variable x is discrete or continuous. Find step-by-step Statistics solutions and your answer to the following textbook question: Determine whether the random variable x is discrete or continuous. In each case, state the possible values of the random variable. O A. (b) The time it takes to fly from city A to City B. weight of a T bone steak d. The. Electrical current. Explain your reasoning. check_circle. Be able to compute probabilities and marginals from a joint pmf or pdf. For instance, a coin flip or a die roll are both predictable to the extent that we have a good idea what values are like. (a) Answer (1 of 9): First, keep in mind that a random variable is a model. Discrete Random Variables A discrete random variable is one which may take on only a countable number of distinct values such as 0,1,2,3,4 . (b) The distance a baseball travels in the air after being hit. Continuous Random Variables De nition (Continuous Random Variable) A continuous random variable is a random variable with an interval (either nite or in nite) of real numbers for its range. the cholesterol levels of a group of adults the day after Thanksgiving Correct answer:Continuous Question 8 Determine whether the . (a) The number of fish caught during a . 5/23 In each case, state the possible values of the random variable. a. In each case, state the possible values of the random variable. ). Listed is a series of experiments and associated random variables. The number of pumps is a. discrete \textbf {discrete} discrete. Categories Uncategorized. If a random variable assume specific distinct finite set of values, that can be counted, it is known as a discrete random variable. The. Determine whether the random variable is discrete or continuous. O B. a. Continuous Random Variable If a sample space contains an infinite number of pos-sibilities equal to the number of points on a line seg-ment, it is called a continuous sample space. Determine whether the random variable is discrete or continuous. The. In each case, identify the values that the random variable can assume and state whether the random variable is discrete or continuous. Let X represent the number of books in a university library. Also weight is measured. Variables that take on a finite number of distinct values and those that take on an infinite number of values. In each case, state the possible values of the random variable. A discrete random variable is a random variable that has countable values, such as a list of non-negative integers. Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. the number of customers arriving at a bank between noon and 1:00 P.M. discrete or continuous? Random Variables A random variable, usually written X, is a variable whose possible values are numerical outcomes of a random phenomenon. 15.063 Summer 2003 1616 Continuous Random Variables A continuous random variable can take any value in some interval Example: X = time a customer spends waiting in line at the store • "Infinite" number of possible values for the random variable. The number of free throw attempts before the first shot is made b. Discrete and continuous are two broad categories of numerical data. In each case, state the possible values of the random variable. A continuous random variable is not restricted to defined separate values, but can occupy any value over a continuous range, for example decimal, rational or real numbers. If you have a discrete variable and you want to include it in a Regression or ANOVA model, you can decide whether to treat it as a continuous predictor (covariate) or categorical predictor (factor). (a) The number of customers arriving at a bank between noon and 1:00 P.M. (i) The random variable is continuous. week 9 1 Independence of random variables • Definition Random variables X and Y are independent if their joint distribution function factors into the product of their marginal distribution functions • Theorem Suppose X and Y are jointly continuous random variables.X and Y are independent if and only if given any two densities for X and Y their product is the joint density for the pair (X,Y . %. The number of points scored during a basketball game c. The eye color of people on commercial aircraft flights d. The time it takes for a light bulb to burn out e. (a) The number of free dash throw attempts before the first shot is made. Let x represent the number of calves born on a farm in one year.
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