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Q: Suppose X is a random variable with X - N(70,9²) and let H = the mean of X • me = the median of X •…

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Q: The cumulative distribution function F(x) of a random variable X is given by 0, -8 <x<-1 0.2, 0.8,…

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Q: A grocery store manager wants to know if displaying cranberries near the entrance to the store…

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Q: If X1, X2, ., Xn is a xrandom sample from a N(H, o) population, write the distribution of (x1-µ)/o)?

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Q: »51. If x, and x, bé 2 values of a variable x and each of the remaining (n-2) values be (x +x. find…

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Q: 2.3. The power output P in MW from a wind farm is a function P(w) = 3w² of the wind speed w in m/a.…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Let X₁, X2, X3, X4, X5 be an independent and identically random variables following a Binomial…

A: Dear student, According to Bartleby guidelines we can answer only first 3 subparts at once. If you…

Q: 41. Show by using convolution that distribution of a sum of independently and identically…

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Q: {10.2}   Suppose that events E and F are​ independent, ​P(E)=0.7​, and ​P(F)=0.6. What is the P(E…

A: Given that  ​P(E)=0.7​, and ​P(F)=0.6 P(E and F)=P(E∩F) If E and F are independent.  P(E∩F)=…

Q: 1. Let the variable X be someone's disease status X = D then someone has strep throat X = Dc then…

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Q: 3. Let X be N x₂ = -4. (-)-( 1 -3 1 3 2 '1 1 1 2 2, find the conditional distribution of x3 given X₁…

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Q: Given a normally distributed population with a mean of 100 and variance 100, find ) P(90 s xs 115)…

A: As per company guidelines I solved exactly three subparts of this question.thank you

Q: What is the distribution of X? 1) Out of the 38 pizzas that you try, how many would you expect to…

A: Let p be the probability of you liking the pizza. Given that p = 0.08

Q: Find " E(2X-1)" Find the variance of X and Var(2x-1)

A: Here total outcomes by rolling 2 dice =6×6 = 36 Here X =  difference of the number on the face of…

Q: 4.2 The probability distribution of the discrete ran- dom variable X is 3-a f(x) = , r = 0, 1, 2, 3.…

A: Given : , x = 0,1,2,3

Q: opose X is a random variable with mean 5 and variance 2. Then, E[3X - 3] is Select] and Var[3X - 3]…

A: Given that Mean=E(X)=5, Variance=Var(X)=2

Q: 34 5 10 From the 5 points A, B, C, D, and E on the number line above, 3 different points are to be…

A: The answers for each of the questions are given in the next steps.

Q: 24. Let X1, X2, .., X 100 be a random sample of size 100 from a distribution with density S(2) = {6…

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Q: Choose the three formulas that can be used to describe complementary events. Select the three…

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Q: A random variable X has the binominal distribution of X~Bin (10, 0.25) What is the Variance of X?…

A: Given,A random variable X~Bin(10,0.25)P(X=x)=cxn px(1-p)n-x  ; x=0,1,2,...nP(X=x)=cx10…

Q: 6) Probability function of X given as follow; f(x)= 1-(x/2);  0 < x< 2 a. Please draw the graph…

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Q: 11.The distribution function of a random variable is 1 fæ =(x – 1)* ,1< x < 3 then the probability…

A: Introduction :-  Let X be a random variable.  Weare given a cumulative distribution function for X.…

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Q: Q2. Which of these is the notation for the distribution of a normally distributed variable, x with…

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Q: 0. Let X denote the number of hours you study during a randomly selected school day. The probability…

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Q: 3. Solve for k in the following equation: I(k +1) = 132(k - 1) k =1,2,3, . 4. The weights (in…

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Q: Soalan/ Question 2: Given a normally distributed population with a mean of 75 and a variance of 625,…

A: Given that mean =75 , variance = 625

Q: 5. The random variable X represents the number of cherries in a cherry puff, and has the probability…

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Q: find the probability for the followign problems if x~ N(70,20) andn=16.  A. P(Xmean>67)…

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Q: A) What is the z-score of x = 3, if it is 1.1 standard deviations to the left of the mean?  B)…

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Q: 7 14 8 41 X 21 28 35 42 y 133 250 280 | 297

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Q: Find the quartile deviation and coefficient of quartile deviation from the following table.

A: quartile deviation               Q.D = Q3-Q12coefficient of Q.D = Q3-Q1Q3+Q1 for marks arrange the…

Q: A poll reported that 63​% of adults were satisfied with the job the major airlines were doing.…

A: If we have n trials each having two outcomes, say Success and Failure, trials being independent and…

Q: In a normal distribution with μ 250 and o = 20 find the percentile rank of the following data…

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Q: 03 3. Gelato Kingdom has a machine that produces soft-serve ice cream cones. The machine dispenses…

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Q: Let SN = X1 + X2+..+XN. IfN takes the values 0, 1, 2, 3 with probabilities 0.5, 0.3, 0.1, 0.1…

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Q: Every year, the students at a school are given a musical aptitude test that rates them from 0 (no…

A: The frequency distribution of the aptitude score is given as:Aptitude ScoreFrequency031624334254