Q1: let an experiment consist of tossing a pair of unbiased dice. Let X be a random variable indicating the sum of the two faces. find: 1- Sample space. 2- P (X- x) 3- 3- Mathematical Expectation.

Q: Univerisity state runs two bus lines on campus: yellow and blue. The yellow line serves the east…

A: Given that, The blue buses arrive at the transfer station every 10 minutes. The yellow buses arrive…

Q: I need help with number 31 The problem that goes with the question is right above it

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Q: QUESTION 20 Find the confidence level related to the critical value za2=1.476 O 91% O 77% 68% O 86%

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Q: Let X be a random variable that takes on values between 0 and c. That is, P(0 < X < c) = 1. Show…

A: Solution-: Given that x be the continuous random variable that takes values  between 0  and c i.e.…

Q: A theater finds that 5% of the persons making reservations on a certain concert wi not show up. If…

A: It is given that n=160 and the probability of persons making reservations on a certain concert will…

Q: ssume that P(A) 0.3, P(ANB)= 0.25, and the probability that neither A nor B occurs is 0.2. What is…

A: Given that  P(A)=0.3,  P(A ∩ B)=0.25 ,  P(neither A nor B)==0.20

Q: (a) Find the probability that the match ends in a draw. (b) Calculate the expected point that the…

A: Here Given For Football team Winner gets 2 points  Loser gets 0 and  In Tie match Both get 1 point…

Q: There are 15 mobile phones in a package box,  8 of which are iphones. If a person takes 5 phones…

A: Given that there are 15 mobile phones in a package box, 8 of which are iphones. That is, thee are 8…

Q: A chord of a circle is a line segment connecting two points on the circle. To pick a point uniformly…

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Q: Direction: Use the z Table to find the area that corresponds to each of the following. Show your…

A: Given 1. z = 0.56 2. z = -1.353. Between z = -2 and z = 0.89

Q: A. Suppose four coins are tossed, show all the outcomes and find the probability of getting: 1. two…

A: As per company guidelines I solved only First questions .thank you

Q: Which of the following predictions can be calculated using a geometric distribution? O a) the number…

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Q: The braking ability was compared for two car models. Random samples of two cars were selected. The…

A: Given that    Sample sizes n1=64      , n2=64      Sample means X̄1=36      , X̄2=33     s1 =8…

Q: A random sample of 106 lightning flashes in a certain region resulted in a sample average radar echo…

A: Given,sample size(n)=106mean(x¯)=0.82standard deviation(s)=0.44degrees of…

Q: 4. If n = 8, and P( - ks < x, < i+ ks) = 0.80, then the value of k is given by %3D %3D

A: here use t- distribution

Q: In a batch of 26 pedometers, 3 are believed to be defective. A quality-control engineer randomly…

A: The expected value of X or mean of X is calculated as μ = ∑x. f(x)

Q: If a data set is normally distributed, then it can be proven (although we will not discuss the…

A: Given that mean = 150 ,s.d =40

Q: The line of best fit through a set of data is y = - 42.824 – 3.033x According to this equation, what…

A: Solution-: We have following regression equation  Y^=-42.824-3.033*X We want to find the predicted…

Q: According to a report done by 5& J Power, the mean lifetime of the light bulbs it manufactures is 45…

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Q: Fifty-eight percent of adult U.S residents have a Facebook account. You randomly select some U.S…

A: Given that, 58% of adult US residents have a Facebook account.

Q: Explain the ratio to trend method of computing the indices of seasonal variations.

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Q: Every one of us is all too familiar with the phenomenon of forgetting. Facts that we clearly…

A: a) Given information: t y 15 min=15/60h=0.25 h 66.3 1 h 47.1 8 h 39.3 1 day=24 h 34.8…

Q: Write A. Permutation B. Combination a. _Forming a committee of 4 from 10 рeople. b. Five people…

A: We have given that the statements about to the permutation and combination. Here, need to find out…

Q: facte you learned in phra class. Standardized Exp(1) N(0, 1) Standardized Exp(1) N(0, 1) 35 40 45 50…

A: Solution: As per the guidelines first three parts should be answered.

Q: According to a report done by S&J Power, the mean lifetime of the light bulbs it manufactures is 45…

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Q: 7) An offshore platform is designed for a 50+10-year wave (turnover period), however the platform is…

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Q: Consider a sample with data values of 10, 20, 16, 12, and 17. Compute the mean and median. mean…

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Q: 6. The following data gives the distribution of marks scored by a set of students. Find the mean and…

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Q: Determine the test score of John in Statistics if he has a z-score of 1.89. (SD = 4, mean = 82)

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Q: QUESTION 1 Z is a random variable subjecting to a standard normal distribution. Find. a value of c…

A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: Illustration 56 In a town 10 accidents take place in a span of 50 days. Assuming that the number of…

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Q: 42 The set of ordered pairs below represents a linear function. {(-2, –3), (0, –2), (2, –1), (x,y)}…

A: Given that, the set of ordered pairs below represents a linear function: {(-2,-3), (0,-2), (2,-1),…

Q: Given the situation below, create a problem and determine (a) the null and alternative hypotheses,…

A: Hypothesis testing follows a standard five-step procedure.

Q: There are two food carts serving food at a local park. At any given time, Let A denote the number of…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: QUESTION 5 Solve the following system of equations and fill in the values below: 3x + 4y = 17 5x +…

A: As per our guidelines we are supposed to answer only one question per post so I am solving first…

Q: 4. The standard deviation of X, denoted SD(X), is given by SD(X) = Var(X). Find SD(aX + b) if X has…

A: Given that  Var(X)=σ2 SD=√Var(X)=σ

Q: A bag of 12 marbles contains 4 marbles with red on them, 3 with blue on them, 6 with green on them,…

A: Solution

Q: Let X - binomial(n, p) and Y ~ binomial(m, p) be independent. a. Derive the MGF of W = X + Y. b. By…

A: A) Let X~bin(n, p) and Y~bin(m, p) be independent r.v.s We know that mgfs Mx(t) =(1-p+pe^t) ^n And…

Q: Hey, please reply as soon as posible, thanks. And please answer all 4 points. If you can write it on…

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Q: Ex-1 Write down the outcome set or the sample space in the following experiments: (a) A coin is…

A: We need to find the sample space in the following experiments: (a) A coin is tossed 2 times (assume…

Q: Can you explain this to me?  Here is the question: How many seven-symbol computer passwords can be…

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Q: If (a,b) denotes an arbitrary interval of numbers on the real number line, Find the probability when…

A: Given that  [a,b] denotes an arbitrary interval of numbers on the real number line,

Q: For the following problem, use the 68-95-99.7 Rule to approximate the probability rather than using…

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Q: 1. Three identical slips of paper with the numbers 1, 2 and 3 (one number on each slip) are placed…

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Q: Use the normal distribution of SAT critical reading scores for which the mean is 503 and the…

A: Solution-: Given: μ=503,σ=106 Let, X= The SAT verbal reading scores ∴X→ N(μ=503,σ2=1062) We want to…

Q: Assume that X1, X,, ..., X, are pairwise independent, identically distributed random variables, each…

A: The Central Limit Theorem gives that the mean X¯ normal distribution with mean μ and the variance…

Q: Mortgage Status Current Past Due In Foreclosure Repossessed Total Number 106,330 50,310 8,950 5,490…

A: Please find the explanation below. Thank you.

Q: 4. The mean performance score on a physical fitness test for Division I student-athletes is 947 with…

A: The random variable performance score follows normal distribution. We have to find the probability…

Q: There are hundreds of apples on the trees, so you randomly choose just 96 apples and get a mean…

A: Formula  Margin of error =E E=tc× s/√n Confidence interval=( x̄ ± E )

Q: There are hundreds of apples on the trees, so you randomly choose just 59 apples and get a mean…

A: Given,sample size(n)=59sample mean(x¯)=81.47standard deviation(s)=4.08degrees of…