classify the following random variables as discrete or continuous
A tree has a finite amount, and if a person were to start counting the number of leaves on a tree, they would finish the process. Be on top of it. The random variable is then continuous. A continuous variable is one whose value can be obtained by measuring it. 2.39 Round to two decimal places (for example: 42.81). Mean=14.7, Standard deviations=0.9, Q:Assume the resting heart rates for a sample of individuals are normally distributed with a mean of, A:LetX be the heart rates for a sample of individuals. on a number line. Classify each random variable as either discrete or continuous. If the ball does not land on red he loses his dollar. Answer in as fast as 15 minutes. A. The probability that an egg in a retail package is cracked or broken is \(0.025\). Use mathematical induction to show that there is a car in the group that can complete a lap by obtaining gas from other cars as it travels around the track. Variable N consists of number of eggs laid which can be counted. The speed of the car 2. Kelly Hawkins has taught high school math for over 5 years. A) continuous B) discrete Click the card to flip Definition 1 / 10 B Click the card to flip Flashcards Learn Test Match Created by josymvelasquez Terms in this set (10) 0.01, Q:A researcher plans to use a random sample of n=500 families to estimate the mean monthly family, A:Researcher plans to use N = 500 families P: the number of textbook authors now sitting at a computer. View this solution and millions of others when you join today! If the correlation coefficient is -0.80, below-average values of the dependent (y). 1 A. Q:What is the standard deviation of this distribution? 46. Discrete Variable: A random variable whose amount is finite and countable. O continuous . Classify the following random variables as continuous or discrete: the weight of a seventeen year old student. The air pressure of a tire on an automobile. Three coins are tossed and the random variable Z gives the number of tails. mean mpg of model Q car ( ) = 32 (Two entries in the table will contain \(C\)). The number of vehicles owned by a randomly selected household. vising nurse wants to visit all patients in one day. So, it is a continuous variable. Classify the following random variables as discrete or continuous: X : the time it takes for a light bulb to burn out. Find the most likely number of skeins that contain knots. the weight of newborns each year in a hospital 3.) 4 .. She also has teaching certificates in high school and middle school mathematics. 3.65 .. C.i=95% How do you determine whether data is discrete or continuous? You can specify conditions of storing and accessing cookies in your browser. M: the amount of milk produced yearly by a particular cow. Circle the correct answer. at separates the lower 40 % of the bills from the rest. A box that contains two or more grapefruit of inferior quality will cause a strong adverse customer reaction. B. A manufacturer receives a certain component from a supplier in shipments of \(100\) units. Find the probability that two such proofreaders working independently will miss at least one error in a work that contains four errors. 1. The, Q:Internet Service Providers 13. A discrete random variable \(X\) has the following probability distribution: \[\begin{array}{c|c c c c c} x &77 &78 &79 &80 &81 \\ \hline P(x) &0.15 &0.15 &0.20 &0.40 &0.10 \\ \end{array}\]Compute each of the following quantities. Investigators need to determine which of \(600\) adults have a medical condition that affects \(2\%\) of the adult population. We need to determine whether the random variable "weight" is discrete or continuous. B. The number of phone calls received at a police station on a day b. Find the probability that the first person he encounters will be able to speak English. Use the first variable for the x-axis. patients if she wants to, A:no. Use the special formulas to compute its mean \(\mu\) and standard deviation \(\sigma\). N: the number of eggs laid each month by a hen. Let \(C\) denote how much the insurance company charges such a person for such a policy. every payday, at which time there are always two tellers on duty. of categories (k) = 5 The number of clerical errors on a medical chart. If either one of the units is defective the shipment is rejected. 1) Number of customers served by a coffee shop per hour. Movie lengths are an uncountable set. How can a circle can be interpreted as a special case of an ellipse? Q:(a) Perform The error rate of the first type is 13.99%, which is 6.99, 7.44, 4.47 and 3.02% lower than CART, SVM, CNN and RF respectively. the pressure of water coming out of a fire hose. 0.08 Tamang sagot sa tanong: Classify the following random variables as DISCRETE or CONTINUOUS 6. the speed of a car on Route 3 1. the number of questions on a math 2. the number of puppies in a liter 3. the letters in the English alphabet4. 3.21 $$ $$ Y: \text{the length of time to play 18 holes of golf} $$ $$ M: \text{the amount of milk produced yearly by a particular cow} $$ $$ N: \text{the number of eggs . Show that the probability that any such mixture will contain the blood of at least one diseased person, hence test positive, is about \(0.18\). The number of boys in a randomly selected three-child family. 3 Call Us: 1.800.883.9662. types of variables in statistics ppt. A class of \(130\) students meets in a classroom with \(130\) individual desks, exactly \(14\) of which are constructed for people who write with their left hands. 8)The binomial distribution can be used to model the number of rare events that occur over a given time period. Circle the correct answer. Construct the probability distribution of \(X\). So, it is a continuous variable. A:Given information: as described in the main body of the text. Determine whether or not the random variable \(X\) is a binomial random variable. Plainmath.net is owned and operated by RADIOPLUS EXPERTS LTD. Get answers within minutes and finish your homework faster. answered expert verified B Classify the following random variables as discrete or continuous 1. the number of defective computers produced by a manufacturer 2. the weight of newborns each year in a hospital 3 the number of siblings in a family of a region 4 the amount of paint utilized in a building project She has a bachelor's in mathematics, a minor in statistics, and a master's in education from Truman State University. The number of automobile accidents per year in Virginia (X) is a discrete variable, as there can't be half an accident, one counts how many accidents are per year to know X. Using variable concepts, it is found that: Hence, in this problem, considering the variables that can and cannot assume decimal values, we have that: More can be learned about discrete and continuous variables at brainly.com/question/16978770. Will the owner have the cover installed? 2010, 31, 2225-2236. Classify the following random variables as discrete or continuous:X: the number of automobile accidents per year in Virginia. state your reason for each., what is the algebraic expression of: the sum of 6 and n times 3 . 0 .10 : The function f(x) = -x^4 + 3 does not have an absolute maximum. Find the probability that \(X\) is two, three, or four. abbvie ceo richard gonzalez wife; how far is haddonfield, illinois from chicago P: the number of building permitsissued each month in a certain city. Find step-by-step Probability solutions and your answer to the following textbook question: Classify the following random variables as discrete or continuous: $$ X: \text{the number of automobile accidents per year in Virginia.} In a random sample of \(20\) adults, \(14\) recognized its brand name. 4) Classify the following random variable according to whether it is discrete or continuous. The probability that a \(7\)-ounce skein of a discount worsted weight knitting yarn contains a knot is \(0.25\). Which of the following represents the critical region for this mentioned sample (MUST SHOW WORK, A:Answer:- Given, population mean, = 30 Compute the mean and standard deviation of \(X\). Discrete 2) Amount of milk used per drink. \(X\) is the number of black marbles in a sample of \(5\) marbles drawn randomly and without replacement from a box that contains \(25\) white marbles and \(15\) black marbles. High School GPA One ticket will win \(\$1,000\), two tickets will win \(\$500\) each, and ten tickets will win \(\$100\) each. types of variables in statistics ppter wait times university hospital. The weight of refuse on a truck arriving at a landfill. A player has to cross 10 hurdles in a hurdle race. span(X). Her sister weighs 12 pounds more. Discrete 3) Time taken to prepare a drink. Discrete data is a type of numerical data that consists of whole, concrete numbers that have specific and fixed data values determined by counting. It has an approximately, Q:A well-known brokerage firm executive claimed that 40% of investors are currently confident of, Q:4b. 3) Classify the following random variable according to whether it is discrete or continuous. Classify the following random variables as discrete or continuous: a.X: the number of automobile accidents per year in Virginia. Level of significance () = 0.1 Thus, this variable can be measured to any fraction of a second. does the dog die in hondo; dhgate marc jacobs dupe; natural scents for candles. What number of customers does Shylock most often see in the bank the moment he enters? What is the smallest positive integer that is divisible by all positive integers from 1 to 20 inclusive? Y : the length of timeto play 18 holes of golf. Complete: The absolute value of a number is its distance from ? Find the minimum score the instructor can set so that the probability that a student will pass just by guessing is \(20\%\) or less. Assume the bills are normally distributed with standard deviation $ 17.15 . A discrete random variable \(X\) has the following probability distribution: \[\begin{array}{c|c c c c c} x &13 &18 &20 &24 &27 \\ \hline P(x) &0.22 &0.25 &0.20 &0.17 &0.16 \\ \end{array}\]Compute each of the following quantities. A traveling salesman makes a sale on \(65\%\) of his calls on regular customers. Let \(X\) denote the number of the next \(20\) purchasers who do so. Relative Clause, Quiz & Worksheet - Jim Crow Laws in To Kill a Mockingbird. The tack is dropped and its landing position observed \(15\) times. The amount of rain recorded at an airport one day. of different ways to, Q:In a study of the stability of IQ scores, a large group of individuals is tested once at age 18 and, Q:As determined from long experience, the number of automobiles rented per hour, X, at the Rent-A Car, A:Automobiles Rented Probability Classify the following random variables as continuous or discrete: the length of hairs on a horse. Application 1. the number of defective computers produced by a manufacturer (10 mins.) Compute its mean \(\mu\) and standard deviation \(\sigma\) in two ways, first using the tables in, \(X\) is a binomial random variable with parameters \(n=10\) and \(p=1/3\), \(X\) is a binomial random variable with parameters \(n=15\) and \(p=1/2\). It is seen as a part of artificial intelligence.. Machine learning algorithms build a model based on sample data, known as training data, in order to make predictions or decisions without being explicitly . Control group To do so assume that if the cover were in place the revenue each night of the season would be the same as the revenue on a clear night. Example Discrete Variables: Find the probability that a carton of one dozen eggs has (i) at least one that is either cracked or broken; (ii) at least two that are cracked or broken. c.M: the amount of milk produced yearly by a particular cow. The number of accidents per year at an intersection. \(X\) is a binomial random variable with the parameters shown. n=12 Discrete variables are those that represent things that are counted, 3 red cars, 2 chickens, etc.. Hamburger The number \(X\) of nails in a randomly selected \(1\)-pound box has the probability distribution shown. Two fair dice are rolled at once. , How many lines can you form? There can be an infinite number of values between two continuous values. menu The number of new cases of influenza in a particular county in a coming month. To, Q:The miles-per-gallon obtained by the 2019 model Q cars is normally distributed with a mean (mew) of, A:The question is about normal distribution Start your trial now! Pizza The estimated, A:Given data: 1. Get access to thousands of practice questions and explanations! Classify the following random variable. Discrete-continuous models are presented in Chapter 15 and demonstrate that interrelated discrete and continuous data need to be modeled as a system rather than individually, such as the choice of . Find the probability that Borachio will produce at most two blemished tires tomorrow. Find the chance that he guesses correctly between four and seven times. Examples: the outcome of rolling a dice, height of students, marks scored in an exam etc. Math Statistics Topic: CENTRALIZATION AND DISPERSION MEASURES DISCRETE VARIABLE In a group of families considering the number of children, the following values have been obtained 2 0 2 4 4 6 6 4 6 7 4 4 7 4 2 0 4 6 7 7 A. A roulette wheel has \(38\) slots. A. random variable B. variable C. probability D. probability distribution B. Classify the following random variables as discrete or continuous. Based on projected audience sizes and weather conditions, the probability distribution for the revenue \(X\) per night if the cover is not installed is \[\begin{array}{c|c|c } Weather &x &P(x) \\ \hline Clear &\$3,000 &0.61 \\ Threatening &\$2,800 &0.17 \\ Light Rain &\$1,975 &0.11 \\ Show-cancelling\; rain &\$0 &0.11 \\ \end{array}\]The additional cost of the cover is $410,000. An appliance store sells \(20\) refrigerators each week. The length of time to play 18 holes of golf (Y) is a continuous variable, as it can take 2 hours, or 2.5 hours, or 2 hours, 30 minutes, 2 seconds, one measures how long it took to play 18 holes to know Y. Tuleau-Malot, C. Variable selection using random forests. An insurance company estimates that the probability that an individual in a particular risk group will survive one year is \(0.9825\). Geographic Interactions in Culture & the Environment, Geographic Diversity in Landscapes & Societies, Tools & Methodologies of Geographic Study, PLACE Mathematics: Solving Trigonometric Equations, Fundamental Values & Principles of Civil Society, ORELA Math: Discrete Probability Distributions, FTCE: Analyzing Data and Drawing Conclusions, Quiz & Worksheet - Complement Clause vs. Determine the value \(C\) must have in order for the company to break even on all such policies (that is, to average a net gain of zero per policy on such policies). Classify the following random variables as discrete or continuous. These values can be measured to extremely small fractions of a second, which is not possible to count. b.Y : the length of time to play 18 holes of golf. Let \(X\) denote the number of patients on any given day who require a sedative. The amount of sugar in a cup of coffee 6. Ten percent of all purchasers of a refrigerator buy an extended warranty. A discrete variable is a variable whose value is obtained by counting. A corporation has advertised heavily to try to insure that over half the adult population recognizes the brand name of its products. A roulette wheel has \(38\) slots. M: the amount of milk produced yearly by a particular cow.N: the number of eggs laid each month by a hen. Discrete Random Variables are variables that can take on a finite. \(X\) is the number of coins that match at least one other coin when four coins are tossed at once. 7. Grapefruit are sold by the dozen. Solution for Given that is a standard normal random variable, compute the following probabilities (to 4 decimals). Ask your question. Classify the following random variables as discrete or continuous. Construct the probability distribution of \(X\). 2.17 These are homework exercises to accompany the Textmap created for "Introductory Statistics" by Shafer and Zhang. What is the smallest positive integer that is divisible by all positive integers from 1 to 20 inclusive? The number \(X\) of customers in the bank who are either at a teller window or are waiting in a single line for the next available teller has the following probability distribution. The denominator isn't zero. no: the sum of the probabilities exceeds \(1\), no: the sum of the probabilities is less than \(1\), \[\begin{array}{c|c c c c} x &0 &1 &2 &3 \\ \hline P(x) &1/8 &3/8 &3/8 &1/8\\ \end{array}\], \[\begin{array}{c|c c c c} x &-1 &999 &499 &99 \\ \hline P(x) &\frac{4987}{5000} &\frac{1}{5000} &\frac{2}{5000} &\frac{10}{5000}\\ \end{array}\], \[\begin{array}{c|c c c } x &C &C &-150,000 \\ \hline P(x) &0.9825 & &0.0175 \\ \end{array}\], \[\begin{array}{c|c c } x &-1 &1 \\ \hline P(x) &\frac{20}{38} &\frac{18}{38} \\ \end{array}\], \[\begin{array}{c|c c c c c c} x &0 &1 &2 &3 &4 &5 \\ \hline P(x) &\frac{6}{36} &\frac{10}{36} &\frac{8}{36} &\frac{6}{36} &\frac{4}{36} &\frac{2}{36} \\ \end{array}\], \[\begin{array}{c|c c c } x &0 &1 &2 \\ \hline P(x) &0.902 &0.096 &0.002 \\ \end{array}\]. Classify the following random variables as discrete or continuous:X: the number of automobile accidents per year in Virginia. Find the probability that no more than ten days will be lost next summer. A work contains four errors. Let \(X\) denote the number of boys in a randomly selected three-child family. Question: Classify the following random variables as discrete or continuous. d. The foot lengths of humans are a continuous random variable as the length of the foot can take infinitely many values. C. 0.19 93 and \(6:00\; p.m\). Continuous Random Variable are random variables that take an. The owner will have it built if this cost can be recovered from the increased revenue the cover affords in the first ten 90-night seasons. M: the amount of milk produced yearly by a particular cow. \(X\) is the number of hearts in a five-card hand drawn (without replacement) from a well-shuffled ordinary deck. Since this data can be obtained by counting, it is a discrete variable. Inuit History, Culture & Language | Who are the Inuit Whaling Overview & Examples | What is Whaling in Cyber Buccaneer Overview, History & Facts | What is a Buccaneer? Given: The area of lots in an exclusive subdivision 8. Book: Introductory Statistics (Shafer and Zhang), { "4.01:_Random_Variables" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.
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