\[\begin{array}{c|c c c } x &100 &101 &102 \\ \hline P(x) &0.01 &0.96 &0.03 \\ \end{array}\], Three fair dice are rolled at once. every payday, at which time there are always two tellers on duty. 6 Classify the following random variables as discrete or continuous. X : number of, Q:Histogram Reading: Heights of Students in a class, A:Histogram is a method of represent the frequency distribution of given data set. A. random variable B. variable C. probability D. probability distribution B. Classify the following random variables as discrete or continuous. Find the average number of patients each day who require a sedative. N: the number of eggs laid each month by a hen. Find the probability that from \(8\) to \(12\) days will be lost next summer. Find the probability that at least one of them will be able to speak English. the number of defective computers produced by a manufacturer. Find the probability that it lands heads up more times than it lands tails up. A coin is bent so that the probability that it lands heads up is \(2/3\). What Is Plantar Fasciitis? Adverse growing conditions have caused \(5\%\) of grapefruit grown in a certain region to be of inferior quality. The tourist sees four local people standing at a bus stop. Consider 93 He makes four sales calls each day. what pairs of lines are parallel? and \(6:00\; p.m\). These imperfections can include the following: . 1) Classify the following random variable according to whether it is discrete or continuous. 3.36. (Round your answer to three, A:Given Information: The independent variables are lagged, and are the following: Inflation stands for the next year's expected inflation rate minus 2% (Consensus Economics), . Lunch choice P: the number of building permitsissued each month in a certain city. and the Discrete or Continuous Wavelet Transform (DWT/CWT). Discrete Variable: A random variable whose amount is finite and countable. Goneril buys ten skeins to crochet an afghan. The average amount spent on electricity each July by a randomly selected household in a certain state. Find the minimum score the instructor can set so that the probability that a student will pass just by guessing is \(20\%\) or less. Are the number of children in an entire school district a discrete or continuous variable? D. 3.4, Electricity bills in a certain city have mean $ 106.27 . Seven thousand lottery tickets are sold for \(\$5\) each. Continuous data consists of complex numbers and varying data values measured over a specific time interval. Let our experts help you. Use the first variable for the x-axis. Classify the following random variable. 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. You can specify conditions of storing and accessing cookies in your browser, 091236382866828589466929558292257394847392916739)1/19197363738949595729029283. If the ball lands in a red slot, he receives back the dollar he bet plus an additional dollar. 2. There are about 140 million houses in the, A:Given information- What is the probability that they will clear exactly 4 hurdles? This page titled 4.E: Discrete Random Variables (Exercises) is shared under a CC BY-NC-SA 3.0 license and was authored, remixed, and/or curated by via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. The number of boys in a randomly selected three-child family. The probability that a \(7\)-ounce skein of a discount worsted weight knitting yarn contains a knot is \(0.25\). \(X\) is the number of coins that match at least one other coin when four coins are tossed at once. Based on the result in (b), show that the expected number of mixtures that test positive is about \(11\). patients if she wants to, A:no. The amount of liquid in a \(12\)-ounce can of soft drink. Classify the following random variables as discrete or continuous: a.X: the number of automobile accidents per year in Virginia. Application 1. the number of defective computers produced by a manufacturer (10 mins.) Represent Measured data. 1.9 A: Answer:- Given, The competitor's bid x is a random variable that is uniformly distributed between question_answer Q: Base on the given data given, change the variable sale price into two categories: above the mean 5)Classify the following random variable according to whether it is discrete or continuous. The weight of the professional wrestler. The number of accident-free days in one month at a factory. answered A. Classify the following random variables as discrete or continuous. Use the formula for weighted data. The number of no-shows for every \(100\) reservations made with a commercial airline. Find the probability that Borachio will produce at most two blemished tires tomorrow. If it costs Tybalt \(44\) cents to mail his entry, what is the expected value of the sweepstakes to him? Example: Age in years. Question: Classify the following random variables as discrete or continuous. copyright 2003-2023 Study.com. 1) Number of customers served by a coffee shop per hour. d.N: the number of eggs laid each month by a hen. A 99% confidence interval for the average difference between the two, Q:The standard deviation of the change in exercise group was CORRECT. Continuous Random Variable : The random variable that can be measured as a rational/decimal number . So, it is a continuous variable. 92 There are four main classification tasks in Machine learning: binary, multi-class, multi-label, and imbalanced classifications. D. 3.4, Electricity bills in a certain city have mean $ 106.27 . Assuming that boys and girls are equally likely, construct the probability distribution of \(X\). A. Find the probability that, on a randomly selected day, the salesman will make a sale. d. The foot lengths of humans are a continuous random variable as the length of the foot can take infinitely many values. The coin is tossed ten times. A:Given information: In a random sample of \(20\) adults, \(14\) recognized its brand name. It would take you literally forever: 50, 50.1, 50.11, 50.111, 50.1111, The average weight of newborn babies born in a particular county one month. This site is using cookies under cookie policy . The number of winners in lotto for each day. 2.02 Based on the, A:A scatter plot is a graphical representation of two variables to investigate if there exists an, Q:True or false. Many phenomena can be viewed as examples of a random walk. Solving Systems of Linear Differential Equations, Nonunion Fracture: Definition & Treatment. Classify the following random variables as discrete or continuous. 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 Popl. The weight of refuse on a truck arriving at a landfill. 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Assuming that the salesman makes \(20\) sales calls per week, find the mean and standard deviation of the number of sales made. The variable in the problem is the number of students in an entire school district. Q:An automobile manufacturer claims that their car has a 30.8 miles/gallon (MPG) rating. 8 D = domestic flight. You can specify conditions of storing and accessing cookies in your browser, B Classify the following random variables as discrete or continuous, 1. the number of defective computers produced by a manufacturer. 86 Variable P consists of number of buildings permit issued which can be counted. If the experiment of dropping the tack \(15\) times is done repeatedly, what is the average number of times it lands with its point in the air? M: the amount of milk produced yearly by a particular cow. Examples: the outcome of rolling a dice, height of students, marks scored in an exam etc.
classify the following random variables as discrete or continuous