Flag question of Find E(). O 0.325 O Not possible O 0.264 O 0.462 00 pring 2020/21)-Section Consider a Uniform distribution defined as fx(x) = { 16' 2≤x≤ 8, e. w

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Q: Q2: If P(A)=0.25, P(B)=0.7, P(B|A)=0.6, draw the Venn diagrams and determine the following…

A: Given that P(A ) = 0.25,P(B )=0.7,P(B/A) =0.6 Find all the required probabilities

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Q: Approximate the mean for following GFDT. Data Frequency 1 70-74 75-79 80-84 85-89 90-94 95-99…

A: Formula Used: Mean = ∑FX∑F Mid-value = Lower limit + Upper limit2

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Q: 71 80 80 84 76 94 87 82 80 81 91 82 70 72 84 77 85 80 75 82 92 83 81 84 94 86 93 88 92 80 omplete…

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Q: A journal article reports, t(92) = -1.67, p = .11, the reading scores of males (M = 31.54, SD =…

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A: attend a concert attend a festival total stay in state 214 186 400 travel out of state 391 59…

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A: Given: P = 0.634 n = 220 p^ = 0.587 Formula  Used: Test-statistic Z = p^-P0P0(1-P0)n

Q: Q4: The probability mass function of a discrete random variable X is given by the following table: X…

A: Given that  Probability mass function of X  X 1 2 3 4 5 6 P(X) 1/36 3/36 5/36 7/36 9/36 11/36…

Q: Any change you can also provide detail for part D and part E?  Thank you!

A: Since part a-c is already solve and correct in my knowledge therefore i am solving part (d) and (e)

Q: Organize the responses by completing the following frequency distribution table:

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Q: To construct a confidence interval for the proportion we should use the t-distribution   True False

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Q: Estimate the average by first rounding to the nearest 100: 120, 230, 455, 175   202.50   275…

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A: Introduction The probability shows how likely an event will occur.

Q: A quantitative data set has mean 25 and standard deviation 4. Apply​ Chebyshev's rule to complete…

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A: We have given that P(winning) = 6/38 P(loosing) = 32/38

Q: (i) If X is a Poisson variable such that P(X=2) = 9P(X=6). Find the mean variance of X (ii) A…

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Q: (b) What is the estimated proportion of hotel rooms occupied each year? current previous (c)…

A: Hint: The Z-test statistic under H0 is given by      Z=p1-p2PQ1n1+1n2   ~  N(0,) 95% Confidence…

Q: Let X be a random variable and c be a constant. Then Var(X+c) = Var(X), always.   True False

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Q: 7.16% comes

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Q: What is the decision rule for this test? Select one: O a. Reject Ho if (n-1) s/% >x²-1,a or x-1,a c.…

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Q: Based on this sample, construct a 90% confidence interval estimate for the actual mean. What is the…

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Q: 23. Table Q3 1 2 0.15 a 3 0.4 X P(X=x) Given E(X)= 3.05, calculate the values of a and b. 6 b

A: a=0.25 b=0.20

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A: Solution: Here we want to determine which computers were more likely to purchase the service plan.

Q: You are given the following three statements: (a) 75 % of students study diligently in their…

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Q: team 1 9.11 9.22 9.5 9.62 9.68 9.59 team 2 9.7 9.8 9.8 9.81 9.85 team 3 9.88 9.89 9.9 9.9 9.9 10.01…

A: Given information:  α=0.1 Team 1 Team 2 Team 3 Team 4 Team 5 9.119.229.59.629.689.59…

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Q: 5.5. Suppose that X has mean m and variance ² (a) Prove Cantelli's inequality PIX-mzals avo.

A: We need to prove Cantelli's inequality: P[ X - m > a ] < σ2σ2+a2   ,    a>0

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