A football team consists of 13 each freshmen and sophomores, 18 juniors, and 19 seniors. Four players are selected at random to serve as captains. Find the probability of the following. There are 2 sophomores and 2 freshmen. P (2 sophomores, 2 freshmen)=

Q: using of tossing a squar how many darts fall into an inscribed circle of the unit square. (Hint: Use…

A:

Q: You need a dessert for this meal and decide on ice cream. Which should you buy: package A is 1 quart…

A: From the above given data the following solution is provided below:

Q: A bag contains 5 brown and 4 white socks. Ram pulls out two socks. What is the probability that both…

A: It is given asBrown socks = 5White socks = 4Total number of socks = 9

Q: a. Assuming that the variances in the population of times spent on the website per day are equal, is…

A: The test is to check whether there is a difference in the mean time spent on the website per day…

Q: 14. Suppose a fair coin is tossed twice. Find the probability for each of the following: a. Exactly…

A: If a fair coin is tossed (n) times, then the total possible outcomes will be 2n Here, coin is tossed…

Q: 1. There are two boxes. In each box there are 4 cards with a different number printed on it. The…

A: Let A be a random variable denoting the number of the card drawn from Box 1 and B  be a random…

Q: Twenty students in a group of 40 at Dawn High elect for a course in statistics (S). Eleven students…

A: Note:Hi there! Thank you for posting the questions. As there are several independent questions,…

Q: Data collected at an airport suggests that an exponential distribution with mean value 2.475 hours…

A: Given that, Mean = 2.475

Q: Let X denote a random variable that takes on any of the values -1, 0, 1 with respective…

A: P(X = −1) = 0.2,P(X = 0) = 0.5,P(X = 1) = 0.3.

Q: Question 1 Two discrete random variables X and Y have a joint probability mass function given in the…

A: X=1X=2X=3Y=10.20.20Y=200.10.2Y=30.100.20

Q: The probability distribution of a random variable X is given in. the following table: X P(X=x) -3…

A: The probability distribution of a random variable X is given in. the following…

Q: A pharmaceutical company claims 90% success rate of a newly invented drug to treat arthritis pain.…

A:

Q: uppose 11

A: (a) :A and B are disjoint.This gives  and B are not disjoint.(b) :A and B are disjoint.Since A and B…

Q: In our derivation of the Black-Scholes equation we used the result that N(x) + N(-x) =1 where N(x)…

A:

Q: John takes a physics exam that has 10 multiple choice questions with 4 possible answers. Onl one…

A: Total question = 10 Possible answers = 4 for each questionNo. Of ways John can pass the exam = ?…

Q: Question: What is the probability for state of nature Event A (x) at which you are indifferent…

A: Given the decision tree as

Q: alculate the equation of the estimated regression line. (Round all numerical values to two decimal…

A: By using the  linear regression,y^=intercept(a)+slope(b)Where,The SO2  deposition rate (y)=…

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A: We'll assume a simplified scenario in which the balls start on a line and go in the same…

Q: A display has 6 packs of marbles with a total mass of 629g. The packaging of each pack has a mass of…

A: Given that,The total mass is 629g Number of packages = 6 packs Mass of each pack = 2/3 g Mass of…

Q: Suppose that A and B are events such that P(A) = 1/3, P(B) = 1/5, and P(A|B) + P(B|A) = 2/3. What is…

A: It is given that P(A)=1/3, P(B)=1/5 and P(A|B)+P(B|A)=2/3.

Q: A set of population data has a mean of 520.4 and a standard deviation of 66.9. Calculate the z-score…

A: From the provided information,Mean (µ) = 520.4Standard deviation (σ) = 66.9

Q: When playing roulette at a​ casino, a gambler is trying to decide whether to bet $10 on the number…

A: Given, The gambler knows that the expected value of the $10 bet for a single number is -53¢.And for…

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A: Let's represent the probabilities of the market being in the up, unchanged, and down states as Pu​,…

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A: Mean()=731standard deviation()=24

Q: Please use a tree diagram!

A:

Q: At an electronics manufacturing facility, based on past experience, 86% of new assembly line workers…

A: The data on new assembly workers in an electronic manufacturing facility is provided as follows:86%…

Q: The following is an example of SPSS output from a Wilcoxon Signed- Rank Test. Are these results…

A: RangeNMean rankSum of RanksB - ANegative Ranks13a19.38252Positive Ranks22b17.18378Ties0cTotal35a. B…

Q: The following bar graph shows the per capita personal incomes for six states in 2003. Use this bar…

A: The provided information is as follows:The bar graph of Capita personal incomes for the state in…

Q: Use the three probability axioms, (P(A) >= 0; P(S) = 1; for A, B disjoint events, P(A U B) = P(A) +…

A: A and B are disjoint eventP(AUB)=P(A)+P(B)

Q: The probability distribution for the number of houses on a street is given, but one value is…

A: XP(X)220.16230.2240.2325?260.18

Q: George has some change in which there are the following coins:   5¢ 10¢ 20¢ 2 3 2   If George were…

A: Given George has some change in which there are the following coins:5¢10¢20¢232we have to find the…

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A: Step: 1Let  be two independent random samples of size n1 and n2 from two normal populations…

Q: Given a continuous random variable, X, with the fo What is the mean of X, E(X)? (a) (b) (c)…

A: The probability density function pdf is. f(x)= x/4  , 0<x<2          0    o/w

Q: Skip to main content Home Study tools Post a question My courses My books My folder Career Life…

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Q: In Part C, you determined that the proper ratio of packages of buns, packages of patties, and jars…

A: From the above given data the following solution is provided below:

Q: Where does 3 come from?  Its 60 minutes divided by 6?

A: From the given data, This is M/M/1 queue system with following parameters,Arrival rate, lambda = 5…

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A: a) A group of 13 enters a fine dining establishment that serves burgers and tacos. Frustrated by our…

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Q: An article gave a scatter plot along with the least squares line of x = rainfall volume (m³) and y =…

A: xy5412101413161523153025402750455538674672537977968211299127100

Q: A local college newsletter reported that the average American college student spends one hour (60…

A: MalesFemales1804596060603030451015518072090300120601501801518010018060210602109018015060759060270604…

Q: Use the three probability axioms,  (P(A)≥0; P(S)=1; forA,B disjointevents,P(A∪B)=P(A)+P(B) , to…

A: P(A)≥0 A and B are disjoint eventsP(A UB)=P(A)+P(B)

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A:

Q: A store has scooters in various sizes and colors. Their present stock is giver in the following…

A: The store has scooters in various sizes and colors. Their present stock is given in the following…

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A: Total marbles=10Red marbles=7Yellow marbles=3

Q: Consider a random sample of size one (n = 1) from the population of X with probability density…

A: (d).

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A: The data on gasoline prices (in $) is provided.Population mean, Population standard deviation,…

Q: Dinner Selections How many ways can a dinner patron select 4  appetizers and 3  vegetables if there…

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Q: 5.88. Let X be a continuous random variable with the following distribution: kx if 0≤x≤5 0 elsewhere…

A: f(x)=kx; 0≤x≤5

Q: A simple random sample of men aged 60 to 70 (Group 1) and a simple random sample of men aged 35 to…

A: H0:μ1=μ2HA:μ1<μ2P-value = 0.04