There are 2 urns. The first one has 4 red balls and 6 black balls. The second has 5 red balls and 4 black balls. A ball is chosen at random from the 1st and put in the 2nd. Now a ball is drawn at random from the 2nd urn. Find the probability it is red.

Q: The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The…

A:

Q: The accompanying diagram represents a two-stage experiment. Here,  B = (A ∪ C)c.  Complete the…

A: From given data we have :

Q: Giving a test to a group of students, the grades and gender are summarized below Grades and Gender B…

A: Given Total number of people 62

Q: A number cube with faces labeled 1 to 6 is rolled once. The number rolled will be recorded as the…

A: Given events: A: The number rolled is odd B: The number rolled is less than 4. Outcomes for A are…

Q: In a recent survey, 70% of management executives thought that it should be  mandatory for business…

A: Solution: Let X be the number of students has not mandatory for business  to take a quantitative…

Q: A worn machine is known to produce 10% defective components. In a run of 3 components, find the…

A: Givenp=0.10n=3

Q: Let A = (1,3,5,6,7), B = (1,5,7) Find AU B = Let A = (G,0,0,d), B = {o, d, y) Find AU B = Let X =…

A: We have given that:A=1,3,5,6,7B={1,5,7}

Q: You have relatives coming for dinner this weekend.  The probability that your uncle Josiah will show…

A: given data  P(uncle josiah  show up)  = 0.38 P(aunt Beatrice show up) = 0.27 P(both show up) = 0.1…

Q: Problem #8: A system consists of five components is connected in series as shown below. -12 3 4 5…

A:

Q: Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random…

A: Given n=125 Standard deviations=10.7

Q: Which of the following is a continuous variable? O length of the car O car manufacturer O color of…

A: we have to identify which variable is continuous from given options.    discrete variable : possible…

Q: A random sample of 10 secretaries was asked to type a certain memorandum using both computers and…

A: Given that, A random sample of 10 secretaries was asked to type a certain memorandum using both…

Q: Let X ~N(0,3). Generate 100 independent random variables with this distribution, and estimate the…

A: Hello! Thanks for the question. We are providing the solution by considering the value 3 as standard…

Q: ) A bridge hand is made up of 13 cards from a deck of 52. Find the probability of a hand with 6 of…

A: select 13 cards from 52 card deck.  P(six cards of one suit,4 of another suit and 3 of another suit)…

Q: During one stage in the manufacture of integrated circuit chips, a coating must be applied. If 70%…

A: Given,n=15p=0.7q=1-0.7=0.3A random variable X~Binomial(n=15  , p=0.7)P(X=x)=Cx15(0.7)x(0.3)15-x   ;…

Q: A couple decides to have 4 kids. Assume that each child has an equal chance of being a boy or a girl…

A: Dear student, If you find this solution helpful please upvote it. The solution is given below:

Q: The probabilities that a student will receive an A, B, C or D grade are 0.4, 0.3, 0.2 and 0.1…

A:

Q: The student council is hosting a drawing to raise money for scholarships. They are selling tickets…

A: Given There is one $2,000 grand prize, three $300 second prizes, and fifteen $10 third prizes. You…

Q: For exponential smoothing forecasting with an alpha of 0.1, the MSE (mean squared error) is 2.98.…

A: Given Alpha=0.01=MSE=2.98 Alpha=0.05=MSE=1.32

Q: 4) A joint probability density function is given f(x, y) = (x + 2y) for 0 < x < 1, 0 < y < 1 and…

A:

Q: The histogram to the right shows the number of books read by 23 people in a book club over a 3-month…

A: given data  no. of books no. of people(f) midpoint(x) fx 0-2 8 1 8 3-5 7 4 28 6-8 6 7 42…

Q: A multiple choice test contains five questions, and each question has three possible answers. A…

A: Given, A multiple choice test contains five questions

Q: X, is assumed to be normally distributed with expected value μ = 2.4 kg and standard deviation σ =…

A:

Q: The number of hours spent on social media per week by teens is normally distributed with a mean of…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: 1. A soft-drink manufacturer purchases aluminum cans from an outside vendor. A random sample of 80…

A: Given Information: A sample size of 80 cans is selected from a large shipment. Each can is tested…

Q: Exercise 4. (a) I play games of Monopoly against a computer. I play one game after another. Assume…

A: Let the random variable X denotes the number of trials of the game needed to win a total of three…

Q: A bag contains 4 red balls and 6 black balls. 2 balls are chosen at random one by one without…

A: 4 red  6 black _____________ 10 total balls    select 2 balls at random without replacement P(both…

Q: Using the displays in part ‘a’ sheet 2, compare and contrast the two data sets

A: Given information: The graphs of two datasets are given.

Q: em #7: Each day, John performs the following experiment. He flips a fair coin repeatedly until he…

A:

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped with a mean…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A water bottle manufacturing have two major flaw components. Let enote the number of flaws on the…

A: From the given joint density table, The total frequency is,…

Q: 2. Suppose that earthquakes occur in a certain region of California, in accordance with a Poisson…

A: Given that, Earthquakes occur in a certain region of California, in accordance with a Poisson…

Q: Twelve samples of coal from a Northern Appalachian source had an average mercury content of 0.253…

A: Given n=12 Mean=0.253 Standard deviations=0.029

Q: 4. Given that X has a beta distribution with parameters a = 3 = 2, prove that the X random variable…

A: Y=X/(1-X)  has F-distributions with (1,1) d.f

Q: The table shows the result of a restaurant survey. Meals Service good Service poor Total Lunch 61…

A: Required probability is P(service was poor | meal was lunch)

Q: A pawn shop in Arlington, Texas, has a drive-through window to better serve customers. The following…

A: Given that, the stores open at 10.00 am and Time between arivals Probability Interval of random…

Q: 2. According to a study on the effell U on music, 11% of all Internet users h music. If 40% of all…

A: Given information: Let D be the event decreased spending. I be the event an Internet user. 11% of…

Q: I would like to ask why you subtracted 3-3 for question a should be 0?

A: From given data we have : mean μ=3Standard deviarion σ =2

Q: 16.) A group of 2 professors and 5 students (3 grad students and 2 undergrads) go to a movie…

A: There are 2 professors and 3 grad students and 2 undergrads students. The row is 7 seated. n= 7

Q: A box contains four new, one used but still working, and two defective diodes. Five diodes are…

A: Solution: From the given information, a box contains four new, one used but still working and two…

Q: For two events, A and B, P[A] is; P[B] is and P[AB] is g. Determine the values of: P[AB]; P[AUB];…

A: It is given that P(A) = 1/2, P(B) = 1/4, P(A ∩ B) = 1/8

Q: Find the variance of the weekly price changes of each

A: From given data we have : Insurance Stock  (x)           0.3          1.8            0           0.…

Q: New York City typically has rain on about 16% of days in October. a. What is the probability that it…

A:

Q: A single fair die is tossed. Find the probability of rolling a number greater than 1. What is the…

A: GivenA single fair die is tossed

Q: In 1953, N. Keyfitz published a study in the American Journal of Sociology entitled, "A Factorial…

A: Given information, The number of children of women who were aged 15-19 when first married. Provide…

Q: The minimum fatigue life of rivets in the fuselage of a certain type of aircraft i modeled with a…

A: Weibull distribution: Let X be the Weibull random variable, fx=βαX-εαβ-1e-X-εαβ,…

Q: 6.14. An ambulance travels back and forth at a constant speed along a road of length L. At a certain…

A:

Q: P(Z'UY') =

A:

Q: . Paper cards numbered 1 to 10 are placed on a table in a row, in a random order. What is the…

A: