Is the response to the survey “Did you smoke in the last week?” a discrete random variable, a continuous random variable, or not a random variable? It is not a random variable. Is the retail inventory method GAAP? what is the retail inventory method.
Is the number of hits to a website in a week discrete or continuous?
(a) Is the number of hits to a Web site in a day discrete or continuous? The random variable is discrete. The possible values are x=0, 1, 2,…… You just studied 11 terms!
Is the a discrete random variable continuous random variable or not a random variable?
A discrete random variable has a countable number of possible values. The probability of each value of a discrete random variable is between 0 and 1, and the sum of all the probabilities is equal to 1. A continuous random variable takes on all the values in some interval of numbers.
Is the number of bald eagles in a country discrete or continuous?
Question: d. Is the number of bald eagles in a country a discrete random variable, a continuous random variable, or not a random variable? A. It is a discrete random variable.
What are the similarities and differences between discrete random variable and continuous random variable?
A discrete random variable has a finite number of possible values. A continuous random variable could have any value (usually within a certain range). A discrete random variable is typically an integer although it may be a rational fraction.
Is the response to the survey question did you smoke in the last week a discrete?
Is the response to the survey “Did you smoke in the last week?” a discrete random variable, a continuous random variable, or not a random variable? It is not a random variable.
Is the usual mode of transportation of people in city AA discrete?
Is the usual mode of transportation of people in City A a discrete random variable, continuous random variable, or not a random variable? … It is a discrete random variable.
How do you know if something is discrete or continuous?
Definition: A set of data is said to be continuous if the values belonging to the set can take on ANY value within a finite or infinite interval. Definition: A set of data is said to be discrete if the values belonging to the set are distinct and separate (unconnected values).
How do you know if data is discrete or continuous?
Discrete data is a numerical type of data that includes whole, concrete numbers with specific and fixed data values determined by counting. Continuous data includes complex numbers and varying data values that are measured over a specific time interval.
What is the difference between continuous and discrete?
The key differences are: Discrete data is the type of data that has clear spaces between values. Continuous data is data that falls in a constant sequence. Discrete data is countable while continuous — measurable.
Is the number of light bulbs that burn out in the next week in a room with 20 bulbs discrete or continuous?
(a) The number of light bulbs that burnout is a discrete random variable. The possible values are 1 to 20. So, the discrete random variable x = 1, 2, . . . , 20. (b) The time it takes to fly is a continuous random variable.
Is the number of light bulbs that burn out in the next week in a room with 13 bulbs discrete or continuous?
(a) Is the number of light bulbs that burn out in the next week in room with 13 bulbs discrete continuous? The random variable is discrete. The possible values are 0<x<13.
Is the last book a person in city a read a discrete?
Is the last book a person in City Upper A read a discrete random variable, continuous random variable, or not a random variable? It is not a random variable. … It is a discrete random variable.
What is a continuous random variable give some examples?
In general, quantities such as pressure, height, mass, weight, density, volume, temperature, and distance are examples of continuous random variables.
What is the difference between discrete and continuous data in statistics?
Discrete data is information that can only take certain values. … This type of data is often represented using tally charts, bar charts or pie charts. Continuous data is data that can take any value. Height, weight, temperature and length are all examples of continuous data.
Is age discrete or continuous?
Technically speaking, age is a continuous variable because it can take on any value with any number of decimal places. What is this? If you know someone’s birth date, you can calculate their exact age including years, months, weeks, days, hours, seconds, etc. so it’s possible to say that someone is 6.225549 years old.
Is the number of points scored during a basketball game?
A random variable is considered discrete if its possible values are countable. In a basketball game, for example, it is only possible for a team’s score to be a whole number—no fractions or decimals are allowed, and so the score is discrete.
Is the number of free throw attempts before the first shot is made discrete or continuous?
(a) Is the number of free-throw attempts before the first shot is made discrete or continuous? A. The random variable is discrete. The possible values are x=0, 1.2 OB.
How do you determine whether the distribution is a discrete probability distribution?
A discrete probability distribution lists each possible value that a random variable can take, along with its probability. It has the following properties: The probability of each value of the discrete random variable is between 0 and 1, so 0 ≤ P(x) ≤ 1. The sum of all the probabilities is 1, so ∑ P(x) = 1.
Is the number of runs scored in a baseball game a discrete random variable continuous random variable or not a random variable?
You just studied 24 terms! It is a discrete random variable.
Is the amount of rainfall discrete or continuous?
The amount of rain that falls on a city in a year can take on any non-negative value on the real number line, such as 11.45 inches or 37.9 inches, and therefore is continuous rather than discrete.
Does the table shows a probability distribution?
Yes, the table shows a probability distribution.
What is discrete example?
The discrete values cannot be subdivided into parts. For example, the number of children in a school is discrete data. … You can’t count 1.5 kids. So, discrete data can take only certain values.
Which of the following are examples of continuous variables?
Continuous variables are variables whose value between two values is infinite. They can be numerical, time or date. Some examples are temperature and length.
What are examples of discrete data?
Examples of discrete data include the number of people in a class, test questions answered correctly, and home runs hit. Tables, or information displayed in columns and rows, and graphs, or structured diagrams that display the relationship among variables using two axes, are two ways to display discrete data.
What is a continuous survey question?
A continuous sum lets the respondent give a score to items that add up to a predefined total. This question type allows respondents to add a certain weight to each item.
Is a survey discrete or continuous data?
For customer satisfaction survey, it is discrete because you can only have values from 1, 2, 3, 4, or 5 but not any number in between. For Time taken to deliver product, you could theoretically have 2.3 days of delivery or any value is possible, so it is continuous.
What is a discrete survey?
A Discrete scale contains numeric data that have a finite number of possible values and can only be whole numbers. Discrete data. … Discrete scale examples.
Can continuous data be counted?
There are two types of quantitative data, which is also referred to as numeric data: continuous and discrete. As a general rule, counts are discrete and measurements are continuous. … Continuous data, on the other hand, could be divided and reduced to finer and finer levels.
What is discrete series and continuous series?
Control Charts: A discrete distribution is one in which the data can only take on certain values, for example integers. A continuous distribution is one in which data can take on any value within a specified range (which may be infinite).
What is discrete series example?
Discrete series means where frequencies of a variable are given but the variable is without class intervals. Here the mean can be found by Three Methods. … Here each frequency is multiplied by the variable, taking the total and dividing total by total number of frequencies, we get X.
Is the number of cards drawn from a deck discrete or continuous?
The number of cards drawn from a deck a discrete variable since it has a finite number of possible values.
Is the number of socks in a drawer discrete or continuous?
Tyre pressure = continuous numerical. 10. School subjects = unordered categorical 11. Number of socks in a drawer = discrete numerical.
Is snowfall discrete or continuous?
Depth of snowfall is a continuous variable. This is because depth of snowfall can be equal to a value of 0 in event that no snowfall occurs.
Is the lifetime of a light bulb discrete or continuous?
How can we use that information to define and calculate an average lifetime? This is a challenging problem for two reasons. First, lifetime is not a discrete quantity: A bulb can burn out at any instant over a long continuous time interval. Second, the time interval is unbounded.
What are the two requirements for a discrete probability distribution?
What are the two requirements for a discrete probability distribution? The first rule states that the sum of the probabilities must equal 1. The second rule states that each probability must be between 0 and 1, inclusive. Determine whether the random variable is discrete or continuous.
Is the weight of a dog discrete or continuous?
It is a continuous random variable. Because the variable can have countless values in any interval.
Is the square footage of a house discrete or continuous?
It depends to what accuracy it is measured, but essentially and for practical purposes it is probably best treated as continuous. If it was always rounded to the nearest 100 square feet then you might treat it as discrete.
Is the time it takes to fly from City A to City B discrete or continuous?
The possible values are t>0. Is the number of people in a restuarant that has a capacity of 300 discrete or continuous? Is the time required to download a file from the Internet discrete or continuous? The random variable is continuous.
Is the random variable given in the accompanying table discrete or continuous explain quizlet?
The table to the right lists probabilities for the corresponding numbers of girls in three births. What is the random variable, what are its possible values, and are its values numerical? The random variable is x, which is the number of girls in three births.
Which of the following is not an example of continuous random variable?
Height is not an example of a continuous variable.
