A bag contains 4 blue 2 green and 5 purple counters. One counter is picked at random .what is the probability that the counter is green or blue give your answer as a fraction

Q: A study was carried out to compare mean customer satisfaction scores at service centers in city A,…

A: Given information:

Q: Q1 Let (X₁, X₂) be jointly continuous with joint probability density function " f(x1, x₂) = x1 0 <…

A: Let  be jointly continuous with joint probability density function:

Q: The random variable X represents the number of cherries in a cherry puff, and has the probability…

A: Given that X is the number of cherries with the following probability…

Q: 8 red, 9 blue, and 6 yellow candies are in a dish. If 10 candies are selected, what is the…

A: Given information:8 red, 9 blue, and 6 yellow candies are in a dish.Total candies= 8+9+6=23…

Q: The following table gives the number of fatal work injuries categorized by cause from 2015 in a…

A: The table shows the number of fatal work injuries and the associated causes.

Q: Do freshmen spend significantly more time on social media than other class ranks? A recent study…

A: The given error degrees of freedom is 1562, the mean square error is 5076.The sample size for…

Q: A local fan club plans to invest  19,429   to host a soccer game. The total revenue from the sale of…

A: Investment =$19,429Revenue=$70,182P(Rain)=0.15

Q: Q1 Let (X₁, X₂) be jointly continuous with joint probability density function " f(x1, x₂) = x1 0<x₂…

A:

Q: Q4. We have two coins; the first is fair and the second two-headed. We pick one of the coins at…

A: Given that, we have two coins.The first coin is fair, and the second coin is two-headed.We pick one…

Q: Given the following Venn diagram: A 0.36 DATA 0.29 B b) Calculate the probability P (B|A) =? 0.17…

A: P(A|B)=P(AandB)P(B)

Q: Let Y₁, Y₂ follow a Dirichlet distribution with parameters 6, 4, and 3. Find the probability…

A: Let's and follow a Dirichlet distribution with parameters . The properties of the Dirichlet…

Q: Q2 Let (X1, X₂) be jointly continuous with joint probability density function ={8 f(x1, x2) =…

A:

Q: Find the margin of error for the given values of c, o, and n. c = 0.90, o = 3.5, n = 36 Click the…

A: GivenFind the margin of error ?

Q: Rock-Paper-Scissors is a simple game in which two players compete by simultaneously choosing rock,…

A: Given the transition probabilities, after watching one player compete in the Rock-Paper-Scissors…

Q: The pulse rates of 170 randomly selected adult males vary from a low of 44 bpm to a high of 124 bpm.…

A: Given, the pulse rates vary from a 44 bpm to a high of 124 bpm and the margin of error (E) is 4.

Q: The maintenance department at the main campus of a large state university receives daily requests to…

A: The population mean = 61The population standard deviation = 9

Q: We are throwing darts at a disk (i.e. a filled in circle) shaped board of radius 5. We assume that…

A: The provided information is as follows:The number of times throwing a dart is .The radius of a…

Q: In a random sample of twelve people, the mean driving distance to work was 21.3 miles and the…

A: Given, sample size n = 12,  mean  and standard deviation .Given 99% confidence intervalDegree of…

Q: Use the data given in the table below to compute the probability that a randomly chosen voter from…

A: From the information, given that

Q: Assume the random variable x is normally distributed with mean μ = 85 and standard deviation o=5.…

A: The population mean is 85 and the population standard deviation is .

Q: In this example, what is the probability of a person who lives in a single home with a single family…

A: It is required to find the probability that a person who lives in a single home with a single family…

Q: For the 71 trading days from January 3, 2017, to April 18, 2017, the daily closing price of IBM…

A: the empirical rule predicts that in normal distributions, 68% of observations fall within the first…

Q: In a random sample of 50 dogs in Honolulu, the average weight was 12.4 pounds, with a sample…

A: Sample mean (x̄) = 12.4 poundsSample standard deviation (s) = 1.6 poundsHere, we should use the…

Q: The spinner below is spun three times. If the spinner lands on a border, that spin does not count…

A: 1 cyan2 blue3 red_________6 total sectorsP(blue)=2/6=1/3P(cyan)=1/6P(red)= 3/6=1/2

Q: In a random sample of eight cell phones, the mean full retail price was $486.00 and the standard…

A: Let X be the full retail price.Given,

Q: Find the indicated area under the standard normal curve. To the left of z = 0.83

A: The z-score is, It is required to find the area left of the z-score in the standard normal curve.

Q: Based on the following figure (Weighting function), please briefly explain in one or two sentences…

A: Given the graph of objective probability and decision weight graph.

Q: A new treatment for a disease is being tested, to see whether it is better than the standard…

A: A novel approach to treating an illness is being evaluated to determine if it performs better than…

Q: Write a linear equation in slope-intercept form that models each scenario.  State what y, m, x, and…

A: y=mx+bm= slope of linear line.b=intercept of equation. (It's value fix.)x=independent…

Q: Find the area of the indicated region under the standard normal curve. Click here to view page 1 of…

A: Here we need to find the area between z = -1 and z = 1.5 under the standard normal curve. That is,…

Q: A forest consists of two types of trees; young (between 0 and 3 m tall) and adults (more than 3 m).…

A: 20% die, resulting in a loss of $5 (the cost to plant).10% sell for $20 each, resulting in a profit…

Q: Consider a signal detection problem involving two hypotheses: H₁ : X = W and where H₁ : X = 8 + W,…

A: Where is a known signal vector and is a vector of independent Gaussian random variables with mean…

Q: A survey asked 850 respondents about their highest levels of completed education. The results are…

A: A sample of 850 respondents about their highest levels of completed education.

Q: Size Cumlative weight (%) 2 2 3 10 5 40 7 70 10 92 25 99.9 Determine if this distribution is log…

A: SizeCumulative weight (%)2231054077010922599.9

Q: 1. Let X be a Poisson random variable on the non-negative integers with rate λ = 4. Let W = 2X + 10.…

A:

Q: Size Cumulative weight (%) 1 2 2 14 5 50 10 80 15 92 40 99.5 60 99.9 Determine if…

A: The given data is of the size and cumulative weight: Size Cumulative weight…

Q: each probability and compare the results. (Round to four decimal places as needed.) OA.…

A: Sample size Proportion

Q: duce buyer proportion apples. How many apples must the produce buyer sample for a 99% confidence…

A: Confidence level is 99% i.e., 0.99.Margin of error is 4% i.e., 0.04.

Q: Suppose that, for some N, the continuous random variables X₁, X2,..., XN are independently drawn…

A: Given that, for some N, the continuous random variables  are independently drawn from the uniform…

Q: Problem #3: Let Z-N(0, 1) and X-N(-2,9). (a) Calculate E[Z¹]. (b) Calculate E[X] (hint: try…

A: Z~N(0,1) and X~N(-2,9)Formula Used here Var(X)=E(X2)-(E(X))2Z~N(0,1) then By the definition of chi…

Q: Officer Joe Sixpack of the UConn Police is on patrolling duty Saturday night. He decides to devote…

A: We will use Baye's theorem to solve this problem.Let A denote that Officer Sixpack monitored the…

Q: Giving a test to a group of students, the grades and gender are summarized below A Male 16 20 7 8 2…

A:

Q: 3.41 A candy company distributes boxes of choco- lates with a mixture of creams, toffees, and…

A: Covariance of random variables X and Y provides information on how X and Y move relative to each…

Q: Events A₁ and A2 are mutually exclusive and form a complete partition of a sample space S with P(A₂)…

A: It is provided that, A1 and A2 are mutually exclusive events, thus forming a complete partition of…

Q: 1. Let X be a Poisson random variable on the non-negative integers with rate λ = 4. Let W = 2X + 10.…

A: The random variable  follows a Poisson distribution with non-negative integers with rate .The PMF of…

Q: 22 Let (X₁, X₂) be jointly continuous with joint probability density function е f(x₁, x2) = {…

A: Also,Now, Therefore, X1 and X2 are independent

Q: The output shows the result of conducting an ANOVA comparing mean house selling prices (in $1000) by…

A: From the ANOVA table:MSE = 2953 and dferror =96Standard error SE =

Q: 6) Three friends they play a number of go to the nema together every week. Each week, Rock- scissors…

A: The provided information is as follows:The game is rock-paper-scissors.The one who loses the game…

Q: Let Z~ N(0, 1) and X~ N(1,9). (a) Calculate E[Z¹]. (b) Calculate E[X] (hint: try expressing X as a…

A: Given that

Q: Find the mean and variance for the probability distribution given by f(x)= 2x k(k+1)* -,x=1,2,3,...k

A: