Let Xj, j = 1,2,...,n are independently uniformly distributed from {1,2,3). Let S = Ej=1 Xj. Find (a) E(Sn) (b) Var (Sn).

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Q: MATH 1342 Elementary Statistical Methods Lab Ch.5 - Probability Critical Thinking; Communication…

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A: Given that: Sample size, n=19 Mean, μx¯=222 Standard deviation, σx¯=4.358899

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A: It is given that  Population proportion, p = 0.5 Favourable cases, X = 485 Sample size, n = 792

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A: Note: If the post contains multiple sub parts in a questions only allow to do first three sub parts…

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A: Given data is5.05,5.72,5.24,4.80,5.02,4.58,4.74,5.19,5.29,4.76,4.56,5.68sample size(n)=12

Q: Cumulative Relative Frequency 999 en 24 Cumulative Relative Frequency Ogive 615 695 77.5 88.5 935…

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

Q: A certain region would like to estimate the proportion of voters who intend to participate in…

A: Given,n=25x=21margin of error(E)=0.04α=1-0.99=0.01α2=0.005Z0.005=2.576

Q: certain region would like to estimate the proportion of voters who intend to participate in upcoming…

A: given data  p^ = xn = 2125 = 0.8499% ci for pE = 0.04n = ?

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Q: Despite tuition skyrocketing, a college education is still valuable. Recent calculations by the…

A: x x2 34632 1199375424 36034 1298449156 36072 1301189184 44592 1988446464 44768 2004173824…

Q: Explain to me this table and what it is used for?

A: The objective is to explain the given cross tabulation.

Q: A Morning Consult/Politico poll of 1997 registered voters in July 2020 asked a standard polling…

A: GIVEN DATA  n = 1997P(on wrong track) = p = 0.74999% ci for p;margin of error = ?

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A: The last one would be valid conclusion.

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A: The blood types are A, B, AB and O.

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A: (a)   Obtain the degrees of freedom.   The degrees of freedom is obtained below as follows:   The…

Q: Construct a Venn diagram illustrating the sets below. U=(a, b, c, d, e, f, g} w={a, b, c, f} X= {d}

A: given dataU= {a,b,c,d,e,f,g}W={a,b,c,f}X={d}we have to find out the Venn diagram for the given data

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A: Solution: Let X be the non-real estate farm loan and Y be the real estate farm loan. From the given…

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Q: What is the difference between a t test for independent samples and a t test for dependent samples?…

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Q: he weight of 45 watermelons from a farm is shown below. Weight       Frequency 11-15               4…

A: since there are multiple parts, first three parts are answered. Kindly repost for more help.

Q: A restaurant has a menu with 3 appetizers, 8 entrées, 4 desserts, and 3 drinks. How manyd ifferent…

A: 3 appetizers, 8 entrées, 4 desserts, 3 drinks.

Q: .) Using the joint density directly, find E[X₁ — X₂]. i.) Using the joint density directly, find…

A: The PDF of X1,X2 is given by: fx1,x2=1x1,   0<x2<x1<1

Q: Question 12 {3 decimal places } Find the degrees of freedom of the test statistic.

A: The data shows the appraisal value of an apartment of other companies.

Q: Exercise 2.5. From a population consisting of 100 indivi and age (x), we have the following…

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