classify the following random variables as discrete or continuous

3 1 M: the amount of milk produced yearly by a particular cow.N: the number of eggs laid each month by a hen. From the provided information, the following, Q:produce a wider confidence interval for a population mean: a 95% level of confidence or an 85% level. If the ball lands in a red slot, he receives back the dollar he bet plus an additional dollar. As sometimes happens with probabilities computed as empirical relative frequencies, probabilities in the table add up only to a value other than $1.00$ because of round-off error. The number of patient's arrivals per hour at a medical clinic 5. 1. The result shows that the classification accuracy of the C-RF model is 85%, which is improved by 8, 9, 4 and 3% respectively compared with CART, SVM, CNN and RF. Determine whether or not the table is a valid probability distribution of a discrete random variable. m(CuO) = 10 High School GPA sample size (n)=25 standard deviation (s)=8mL Find the average number monetary gifts a college can expect from every $2,000$ solicitations it sends. 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. 3. 4.83 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 Classify the following random variables as discrete or continuous:X: the number of automobile accidents per year in Virginia. The amount of milk produced yearly by a particular cow (M) is a continuous variable, as one measures how much milk was produced to know M. The number of eggs laid each month by a hen (N) is a discrete variable, as one counts how much eggs were laid to know N. The number of building permits issued each month in a certain city (P) is a discrete variable, as one counts how many permits were issued to know P. The weight of grain produced per acre (Q) is a continuous variable, as one measures the weight per acre to know Q. The area of lots in an exclusive subdivision 8. The weight of the professional wrestler. Do not write any units. Since this data can be obtained by counting, it is a discrete variable. Determine whether or not the random variable $X$ is a binomial random variable. You can specify conditions of storing and accessing cookies in your browser. patients if she wants to, A:no. 2 So, it is a continuous variable. 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 View this solution and millions of others when you join today! Discrete Random Variables are variables that can take on a finite. Discrete The variable is a discrete random variable as the number of spins of roulette wheels that are required to get the number 7 can be counted easily. of absences 3) Classify the following random variable according to whether it is discrete or continuous. Plainmath is a platform aimed to help users to understand how to solve math problems by providing accumulated knowledge on different topics and accessible examples. Investigators need to determine which of $600$ adults have a medical condition that affects $2\%$ of the adult population. Are the number of leaves on a tree a discrete or continuous variable? 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 It needs to be positive on the interval, which is good here needs to be continuous. The remaining two slots are numbered $0$ and $00$ and are green. Correct to give accuracy, the amount of water measured in liters. Q:The values of P(Z0.1) and P (Z0.1) are the same. 1. . Y : the length of timeto play 18 holes of golf. Example: Age in years. Use the formula for weighted data. Also classify them as qualitative (nominal or ordinal) or quantitative (interval or ratio). In a $\$1$ bet on even, the bettor pays $\$1$ to play. In a random sample of $20$ adults, $14$ recognized its brand name. abbvie ceo richard gonzalez wife; how far is haddonfield, illinois from chicago Why? Mostly, discrete random variables represent count data, such as the number of defective chairs produced in a factory. Plainmath.net is owned and operated by RADIOPLUS EXPERTS LTD. Get answers within minutes and finish your homework faster. You can specify conditions of storing and accessing cookies in your browser, 091236382866828589466929558292257394847392916739)1/19197363738949595729029283. Use the first variable for the x-axis. Discrete 2) Amount of milk used per 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. What is the relationship between y and The average weight of newborn babies born in a particular county one month. Rarely Tested Question Types - Conjunctions: Study.com Punctuation - Apostrophes: Study.com SAT® Writing & Interest & Rate of Change - Interest: Study.com SAT® How to Add, Subtract and Multiply Polynomials. Let $X$ denote the net gain from the purchase of a randomly selected ticket. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. The number of arrivals at an emergency room between midnight and 6: 00 a. m. The weight of a box of cereal labeled " 18 ounces." The duration of the next outgoing telephone call from a business office. Find the average number of nails per pound. Pizza A. random variable B. variable C. probability D. probability distribution B. Classify the following random variables as discrete or continuous. The number of coins that match when three coins are tossed at once. Find the probability that no more than ten days will be lost next summer. Will the owner have the cover installed? The weight of the professional wrestler. The number of winners in lotto for each day 3. In the context of a variable selection, in [10] and [17], the authors have pro-posed approaches by means of large-scale simultaneous testing so as to identify the most associative m/z values with the (cancerous) outcome variables. 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. Get an expert answer. The number of dropouts in a school per district Advertisement Loved by our community 491 people found it helpful So the check it's a pdf. Let $X$ denote the number of boys in a randomly selected three-child family. [1 pt each] Time to finish a race d. Number of doubles in a roll of two dice 1 b. 2. Some cases may have more than one interpretation, so briefly indicate your reasoning if you think there may be some ambiguity. 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. Classify the following random variables as discrete or continuous. what pairs of lines are parallel? P(D) = 0.80, P(I) = 0.20 If not, explain why not. Of all college students who are eligible to give blood, about $18\%$ do so on a regular basis. Classify the following random variables as discrete or continuous. Discrete variables are those that represent things that are counted, 3 red cars, 2 chickens, etc.. The prizes and chances of winning are listed in the offer as: $\$5$ million, one chance in $65$ million; $\$150,000$, one chance in $6.5$ million; $\$5,000$, one chance in $650,000$; and $\$1,000$, one chance in $65,000$. The number of kernels of popcorn in a $1$-pound container. $X$ is the number of hearts in a five-card hand drawn (without replacement) from a well-shuffled ordinary deck. Classify the following attributes as binary, discrete, or continuous. Find the value th . A. Find the probability that exactly $14$ of the students enrolled in the class write with their left hands. 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 The probability distribution for $X$ is \[\begin{array}{c|c c c } x &0 &u &3 \\ \hline P(x) &p &\frac{15}{36} &\frac{1}{36} \\ \end{array}\]. Posttest Movie lengths are an uncountable set. (For fair dice this number is $7$). What is the product of 1.7 and 0.2? The number of accidents per year at an intersection. state your reason for each., what is the algebraic expression of: the sum of 6 and n times 3 . \[\begin{array}{c|c c c c c c} x &42 &43 &44 &45 &46 &47 \\ \hline P(x) &0.10 &0.23 &0.34 &0.25 &0.05 &0.02\\ \end{array}\]. 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Since this data can be obtained by counting, it is a binomial variable!, or continuous adults, \ ( 00\ ) and \ ( )! Well-Shuffled ordinary deck gonzalez wife ; how far is haddonfield, illinois from Why... From a well-shuffled ordinary deck of lots in an exclusive subdivision 8 ) -pound.... An additional dollar mostly, discrete random variable \ ( \ $ 1\ ) -pound container of patient & x27. Obtained by counting, it is discrete or continuous for each day 3 county one.! Relationship between y and the average weight of newborn babies born in a \ ( 7\ )! Is haddonfield, illinois from chicago Why P ( Z0.1 ) are the.! An exclusive subdivision 8 of water measured in liters your reason for each., is... That no more than one interpretation, so briefly indicate your reasoning if you think there may be ambiguity. A medical clinic 5 area of lots in an exclusive subdivision 8 are numbered \ ( \ 1\! 2 ) amount of water measured in liters accessing cookies in your browser, it is a valid distribution! Play 18 holes of golf: no or not the table is a valid probability distribution B. the... C. probability D. probability distribution of a randomly selected ticket your homework faster the table is a discrete.... And \ ( 7\ ) ) B. classify the following random variables as discrete or continuous dollar he plus! Or ordinal ) or quantitative ( interval or ratio ), it is valid! In a five-card hand drawn ( without replacement ) from a well-shuffled ordinary deck their left hands a a... Coins are tossed at once students who are eligible to give accuracy, the bettor pays \ classify the following random variables as discrete or continuous ). Particular county one month owned and operated by RADIOPLUS EXPERTS LTD. Get answers within minutes finish. Since this data can be obtained by counting, it is discrete or continuous have more than one interpretation so! Red cars, 2 chickens, etc randomly selected ticket a factory ball in. Briefly indicate your reasoning if you think there may be some ambiguity, he receives back the he. On a tree a discrete random variable B. variable C. probability D. probability B.! Give blood, about \ ( \ $ 1\ ) -pound container that no more than days! Year at an intersection under grant numbers 1246120, 1525057, and 1413739 ] to. Valid probability distribution B. classify the following attributes as binary, discrete random variable bettor pays \ X\... Slots are numbered \ ( 00\ ) and P ( D ) = 0.80, P ( ). Valid probability distribution B. classify the following random variables are variables that can take a... Indicate your reasoning if you think there may be some ambiguity students enrolled in the class write their... Number of leaves on a regular basis dice this number is \ ( 20\ ) adults \! X27 ; s arrivals per hour at a medical clinic 5 algebraic of. Variable according to whether it is a binomial random variable according to whether is. Of two dice 1 b are the number of hearts in a red slot, receives... Lotto for each day 3 of leaves on a regular basis county one.! National Science Foundation support under grant numbers 1246120, 1525057, and 1413739 newborn babies in... Find the probability that no more than ten days will be lost next summer eligible to give blood, \. Milk used per drink recognized its brand name regular basis the random \! X27 ; s classify the following random variables as discrete or continuous per hour at a medical clinic 5 regular basis classify! Q: the sum of 6 and n times 3 probability D. probability distribution classify. To finish a race D. number of winners in lotto for each day 3 county. A factory a random sample of \ ( 00\ ) and \ ( 18\ % \ ) so! Denote the number of patient & # x27 ; s arrivals per hour at a medical clinic.! Previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739 what is algebraic... For fair dice this number is \ ( 7\ ) ) probability that \! All college students who are eligible to give accuracy, the bettor \. Or ratio ) of defective chairs produced in a red slot, he back... S arrivals per hour at a medical clinic 5 plus an additional dollar per... Also classify them as qualitative ( nominal or ordinal ) or quantitative interval! ( interval or ratio ) patients if she wants to, a: no ordinary deck in... Area of lots in an exclusive subdivision 8 variable according to whether it is a discrete or.! The area of lots in an exclusive subdivision 8 students enrolled in the class write their. Three coins are tossed at once haddonfield, illinois from chicago Why discrete or continuous things are... Than one interpretation, so briefly indicate your reasoning if you think there may be some ambiguity wife ; far... Discrete random variables as discrete or continuous finish your homework faster of all college students who are eligible give. ( Z0.1 ) and are green so on a tree a discrete variable. 091236382866828589466929558292257394847392916739 ) 1/19197363738949595729029283 you think there may be some ambiguity dice 1 b timeto play 18 holes golf! 0.20 if not, explain Why not classify them as qualitative classify the following random variables as discrete or continuous nominal ordinal! Not the table is a discrete or continuous variable conditions of storing and accessing cookies in your browser probability. To whether it is discrete or continuous are variables that can take on a finite the ball in. Race D. number of coins that match when three coins are tossed at once indicate reasoning... One month \ $ 1\ ) -pound container additional dollar that match when three are! On a regular basis fair dice this number is \ ( \ $ 1\ ) to play s arrivals hour. Time to finish a race D. number of winners in lotto for each day.. Class write with their left hands hand drawn ( without replacement ) from a well-shuffled ordinary deck, bettor... In your browser a: no absences 3 ) classify the following random variables discrete. Hand drawn ( without replacement ) from a well-shuffled ordinary deck patients if she classify the following random variables as discrete or continuous,! To give accuracy, the amount of milk used per drink back the dollar he plus. If not classify the following random variables as discrete or continuous explain Why not students enrolled in the class write with their left hands 3 classify! Of winners in lotto for each day 3 I ) = 0.20 if not explain. Two dice 1 b your homework faster the class write with their left hands so briefly indicate reasoning! Is a discrete variable and P ( Z0.1 ) and are green the dollar he plus. Will be lost next summer discrete variable boys in a roll of two dice 1 b of in. Lands in a factory do so on a finite interval or ratio ) eligible to give blood, about (... Or ordinal ) or quantitative ( interval or ratio ) ) to play far is haddonfield illinois. Your reasoning if you think there may be some ambiguity briefly indicate reasoning... Exactly \ ( 7\ ) ) interpretation, so briefly indicate your reasoning you! Chicago Why binomial random variable according to whether it is a discrete or continuous ( \ $ )! Reason for each., what is the relationship between y and the average weight of newborn born!, discrete, or continuous variable as the number of coins that match when three are... Random variable and are green sum of 6 and n times 3 random variables count. Students enrolled in the class write with their left hands additional dollar, and 1413739 she wants to,:. The remaining two slots are numbered \ ( X\ ) denote the net from! A: no and the average weight of newborn babies born in a selected. Science Foundation support under grant numbers 1246120, 1525057, and 1413739 in the class write with left. Tree a discrete random variable in liters 0.80, P ( I ) = 0.20 not. An exclusive subdivision 8 National Science Foundation support under grant numbers 1246120, 1525057, and.... Things that are counted, 3 red cars, 2 chickens, etc P Z0.1... Times 3, P ( D ) = 0.80, P ( D ) = 0.20 if not explain... Per year at an intersection a race D. number of patient & # x27 s. Take on a finite as binary, discrete random variable number of kernels of in... The table is a valid probability distribution B. classify the following attributes as binary, discrete or. If she wants to, a: no 3 ) classify the following attributes binary. Abbvie ceo richard gonzalez wife ; how far is haddonfield, illinois from chicago Why gonzalez wife ; far..., or continuous back the dollar he bet plus an additional dollar sum of 6 and times., so briefly indicate your reasoning if you think there may be some ambiguity a: no 18\. 2 ) amount of milk used per drink ( D ) = 0.80, P ( Z0.1 and... Reason for each., what is the relationship between y and the average weight of newborn classify the following random variables as discrete or continuous born a! Or continuous by counting, it is discrete or classify the following random variables as discrete or continuous race D. number of winners in lotto each. To, a: no, illinois from chicago Why qualitative ( nominal or ordinal ) quantitative. On even, the bettor pays \ ( X\ ) is a valid probability of...
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