Three different classes contain 20, 18, and 25 students, respectively, and no student is a member of more than one class. If a team is to be composed of one student from each of these three classes, in how many different ways can the members of the team be chosen?

Q: John, Pedro and Rosita each roll one fair die. How do we calculate the probability that the score of…

A: Probability: Probability is the ratio of favourable outcomes to all other potential outcomes of an…

Q: Suppose the distribution of Y, conditional on X, is n(x, x²) and that the marginal distribution of X…

A:

Q: d) Find the value of T and p if P(T<r <p) = 0.99.

A:

Q: The random variable X takes the values 0, 1, 2 according to one of the following distributions:…

A:

Q: The histogram below gives the length of service of members of the Department of Chemistry at a…

A: Given  A histogram.we need to determine the percentage of department faculty having less than 25…

Q: You roll 4 standard dice. Find the probability of rolling at least 2 fives.

A: Given Roll 4 standard dice

Q: A food safety engineer has discovered that a food warmer has temperature problems. While they set up…

A:

Q: A random variable X has a probability density fun ; x<0 ; 0≤x≤ ; 1<x< 0 f(x) = { // -

A: The random variable X has a probability density function as given below: f(x) = 0  ; x&lt;012;…

Q: A driver is eagerly eyeing a precious parking space some distance down the street. There are three…

A:

Q: 1) If Var(X-Y) = 2, Var(X+Y) = 4, E(X) = 3 and E(Y) = 1, than what is E(XY)? 2) If X and Y are…

A: Solution is given below

Q: A factory making printed-circuit boards has a defect rate of 2.4% on one of its production lines. An…

A: If the experiment is repeated until we get one success, they follow geometric distribution. It has…

Q: Product codes in a manufacturing company having 2, 3, or 4 letters are equally likely. What is the…

A: There are two types of distributions, they are discrete and continuous distribution. If all the…

Q: Machined parts are classified according to the condition of the edge. On average, 15% of machined…

A:

Q: Hi, Where does the -0.9975 (5) come from and how is the ending answer: =1.925-4.9875 = -3.06?…

A: The expected value technique in statistical learning can be used to get the estimated return of a…

Q: Example Power supply problem • N customers use electric power intermittently (say N = 100) • Assume…

A:

Q: A spliced distribution has the following density function f(x)= 0.02, 0<x<20 0.08, 20<x<30 Find a1…

A: Spliced distribution The Splicing distributions window allows one to attach the left a {part of} a…

Q: Consider a source host connected to a destination host via three quivalent intermediate routers. If…

A: Given that  Number of trials n=3 Success of probability p =0.729 X~binomial(n , p)

Q: Is the selection below a permutation, a combination, or neither? Explain your reasoning A softball…

A: Solution: A softball team consisting of 9 women creates a batting order.  This is an example of…

Q: generating functions, Mx, (t) = e²¹², Mx₂(t) = e²t + 3t², and Mx₂(t) = (-¹2) ². 1-2t, c) Find the…

A:

Q: Of 520 samples of seafood purchased from various kinds of food stores in different regions of a…

A: Given Sample size n=520 Sample proportion P=0.81

Q: We have a random variable X, withE(X) = {5, 2, 10), Px (5) = 1/3.Px (2) = 1/6 et Px (10) = 1/2. We…

A: Given P(X=5)=1/3, P(X=2)=1/6, P(X=10)=1/2  Note: According to Bartleby guidelines expert solve only…

Q: 3. Occasionally an airline will lose a bag. Suppose a small airline has found it can reasonably…

A:

Q: Question 5 Suppose that the random variables X₁,..., X and Y₁,...,Y, are random sample from…

A: Linear combination of normal distributed random variable is also follows normal distribution.

Q: Coffee markets that conform to organic standards focus on the environmental aspect of coffee…

A: We have given thatn = 843x = 417p̂ = x/n = 417/843 =  0.4947p = 60% = 0.6α = 0.05

Q: Use the table below to find the standard deviation of the following data set: Use at least three…

A: Given data set is14,15,31,32,43,48

Q: In the game of blackjack as played in casinos in Las Vegas, Atlantic City, Niagara Falls, as well as…

A: Given: The probability that the average player wins a hand is 0.3 That is, p=0.3   Binomial formula:…

Q: 2. If we toss a biased coin that is twice as likely to come up heads as tails, five times, what is…

A:

Q: 3. From a container of 900 computer disks, 30 of these disks are defective (therefore 870 disks are…

A: From a container of 900 computer disks, we randomly take out 25 disks.

Q: iven a normal population whose mean is 580 and whose standard deviation is 77, find each of the…

A: Given that μ=580,σ=77

Q: The green urn contains millions of marbles, 31% are orange. If a simple random sample of n = 40000…

A: p=0.31 q=0.69 n=40000 x=12476 mean=np=40000*0.31=12400 standard deviation=√(npq)=√(40000*0.31*0.69)…

Q: Let X be the number of defective parts produced on a certain production line. It is known that, for…

A: Binomial is the distribution used when a experiment has two outcome only. It is the type of discrete…

Q: Pls solve the last quesiton (e).    Thank you

A: Given Total number of students are 60. The cumulative frequency graph of marks obtained by all 60…

Q: Dility that a random sample of size 7 out of 15 daily allowance of 50 or more? E SOLUTION ON EXCEL…

A: classmate Daily Allowance 1 20 2 50 3 150 4 50 5 50 6 50 7 70 8 50 9 100 10 30…

Q: 2. According to the BTS Organization, 53% of adult Filipinos are in favor of the death penalty for…

A:

Q: Each of two computers randomly generate a number between 7 and 12, then finds the sum of the two…

A: GivenTotal no.of outcomes in the sample space is 36 The values divisible by 4 means  it should…

Q: Put 20 red cubes and 10 yellow cubes in a bag. 0 2 Put 20 red cubes and 2 yellow cubes in a bag.

A: 1) Put 20 red cubes and 10 yellow cubes in a bag. chose 10 times cube with replacement…

Q: Suppose (0) (ii) (iii) X, has a pdf f(x₁) = x₁²e-x²³/ 16 0 X₂ has a pdf f₂(x₂)=< $₂² 4 0 X, and X,…

A:

Q: Suppose (i) X, has a pdf f₁(x₁) = - x₁²e-x²/2 16 0 X₂ has a pdf f₂(x₂) = { x₂²e-x₂²³/2 4 0 (iii) X,…

A:

Q: Fill in the blank. The states that if, under a given assumption, the probability of a particular…

A: Fill in the blank? The --------- states that If, under a given assumption, the probability of a…

Q: Which of the following statements are true?   A. There are \binom{3}{2} ways to select two letters…

A: The objective is to identify the true statements.

Q: For this probability question, a coin with probability p of heads is flipped until both heads and…

A:

Q: Suppose we are given a sample of 60 observations from a distribution whose mean is 0 and variance is…

A: The sample size n is 60, the mean is 0 and the variance is 3/5.

Q: Based on the Nielsen ratings ,the local CBS affiliate claims its 11 p.m newscast reaches 43% of the…

A:

Q: In a lottery game, a single ball is drawn at random from a container that contains 25 identical…

A: Event A = Prime number  Event B = Number greater than 12  A = 2, 3, 5, 7, 11, 13, 17, 19, 23 B = 13,…

Q: Use the IQR to determine if any of the data in the data set are outliers.…

A: Arrange the given data in ascending order0,20,20,23,23,23,23,28,43,80sample size(n)=10

Q: a) b) c) Calculate the probability that X₂ is between 2 and 4, P(2 < X₂ < 4). State with…

A: As per bartlby guidelines we can answer only first three subpart and rest can be reposted

Q: Suppose (i) (ii) (iii) X, has a pdf f(x₁) =< x₁²e- 16 0 X₂ has a pdf f₂(x₂)=- Examine whether Y₁ =…

A:

Q: Tom says that he needs 6 rolls to obtain each possible outcome on a 6-sided die.  On the fourth…

A: Situation is : Tom needs each possible outcome {1,2,3,4,5,6} in only 6 rolls. Now he gets his output…

Q: Test the claim that the population of sophomore college students has a mean grade point average…

A:

Q: If the probability of 5% movement within 1 week is 95%, what is the weekly movement range with the…

A: It is given that in 1 week, the probability of 5% movement is 95%. We have to calculate the movement…