The standard deviation for a population is o = 7.00. A random sample selected from this population gave μ a mean equal to 47.56. Make a 95% confidence interval for assuming n = 49. Round your answers to two decimal places. to i

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A: Given  Regression line  (1)Y=1,788,302 + 160.87*X + error  (2)Y = 1million + 56.43*X + error  (3)Y =…

Q: Z-Test Z-Test Inpt: Data Stats μ # 60 Ho 60 0:4.25 x:58.75 n 40 > Ho μμo Calculate Draw z =…

A: Given: The alternative hypothesis: Ha : μ ≠ 60 Test-statistic Z = -186016333 p-value = 0.06286242…

Q: Consider random samples of size 258 drawn from population A with proportion 0.17 and random samples…

A: Given in the question: nA=258pA=0.17nB=310pB=0.27

Q: 16. Let A and C be mutually exclusive events with P(A) = 3/8, P(C) = 1/8, and P(A U C) = 12, then…

A: (16) Given A and C be mutually exclusive events withP(A) = 38, P(C)=18,P(A∪C)=12

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A: Followings are the Explanation of the question   Let X3∼Bin(n,p)   Binomial Distribution:- Let X3 be…

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A:

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Q: 16. If E(X) = 5 and E(Y) = 4, then E(XY) = 20. O TRUE O FALSE *

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

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A: class f x f*x 00-09 04 4.5 18.0 10-19 05 14.5 72.5 20-29 10 24.5 245 30-39 09 34.5 310.5…

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A: Given: Population proportion P = 0.22 Sample size n = 1416 X = 321

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A: data follows the uniform distribution X~U(0,30) a=0 b=30

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A: given data  σ = 14.2n = 25x¯ = 142.80

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A: Given are different forecast errors of a model. MAD=2.92 MSE=8.58 MAPE=29.35

Q: 23. Let A and B be events of a sample space of an experiment, if P(QE =P(BIB) then value of P(Q|B)…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

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Q: if x is distributed as normal with mean 40 and variance 9 what is P x=40 is

A: We have given  Mean(µ) = 40 Variance (σ2) = 9 Standard deviations (σ) = √Variance (σ2) = √9 Standard…

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A: Given data is 42,58,66,46,70,77,100,85,84,82sample standard deviation(s)=18.33sample size(n)=10

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A: Calculation:

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A: degrees of freedom=24 for t distribution using excel we find probability   P(-1.10<t<1.10)…

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Q: 2. For the example in the video, fill in the missing values in the table marked "x" and "y". These…

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A: Given  G1 be the geometric mean of n1 observation G2 be the geometric mean of n2 observation G be…

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A: Defination Sample space: Sample space may be defined as the total possible outcomes.  Note:…

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A: We have given that Population Mean(µ) = 7.3 Sample mean (x̅) = 6.9Standard deviations (s) = 1.6

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Q: The total marks scored by two students Max and moritz in 5 Tests aree 430 and 460 with standard…

A: Given Total marks of Max=430standard deviation(σ)=4.3Total marks of Moritz=460standard…

Q: For a data set obtained from a sample, n = 75 and x = 48.30. It is known that o = 4.3. a. What is…

A: σ = 4.3n = 75x¯ = 48.30

Q: 2. Consider the data in the table in Ex. 8.18. Do the data provide significant evidence at the 6%…

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Q: Use the ALEKS calculator to solve the following problems. (a) Consider a t distribution with 24…

A: degrees of freedom=24for t distribution P(-1.10<t<1.10) =P(t<1.10)-P(t<-1.10)…

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A: given data, A traffic officer is compiling information about the relationship between the hour of…

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A: The R output gives the following model :  Coefficients   ar1  ma1  ma2   -0.7921  -0.0970…

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Q: 27. Using the information of the table, find P(UIF). * Freshman (F) Sophomore (S) Junior(J) Senior…

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Q: 20. On an 8-question true or false test, you randomly guess at the answers. What is the probability…

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Q: A bag contains 6 red apples and 6 yellow apples. 5 apples are selected at random. Find the…

A: GivenA bag containsNo.of red apples=6No.of yellow apples=6Total no.of apples =12

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A: Suppose p is the population proportion of orders that are filled accurately by Company K.

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A: Given;X represents a random variable coming from a normal distribution.i.e. X has normally…

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Q: You intend to estimate a population mean μμ from the following sample. 16.7 27 30.6 36.5 25.9 37.1…

A: From the provided information, Confidence level = 99% Population standard deviation (σ) = 6 Sample…

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A: Given are the details of Stock 1 and Stock 2 Stock 1 Stock 2 E(x) = 8.45% E(y) = 3.2% Var(x)…

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Q: 9. If X is defined as the number of failures in a Binomial experiment, then X is a Binomial random…

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A: Given data is12,10,11,15,12,14sample size(n)=6

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A: Here, mean is 33 and standard deviations is 14. Sample number is 22. We will use one sample t…

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