According to the Centers for Disease Control and Prevention (CDC), 26% of Americans are "anti-vax". To verify this, 1,000 Americans were asked and 324 of them said they are "anti-vax". What is the population, sample, statistic, paramter, variable, and constants?

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A: According to the classical definition of probability, the probability of an event it the ratio of…

Q: Last year the average starting salary for New York State University  graduates was $1,000 with a…

A: Given: μ = 1000 σ = 200 n = 26 X = 1050 α = 5% = 0.05 Formula Use: Test-statistic Z = X-μσn

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A: Note: In case of multiple questions, as per the guidelines, answer to first question will be…

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A: Given that p = 11.55% = 0.1155 n= 122 and x = 18

Q: .If X&Y are independent R.V's,what are the values of Var(X₁+X₂)and Var(X₁-X₂)

A:

Q: Put these data into a 2x2 contingency table.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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A:

Q: .If X&Y are independent R.V's,what are the values of Var(X₁+X₂)and Var(X₁-X₂)

A: Solution X1 and X2 are independent random variables then Cov(X1,X2)= Then Var(X1+X2)=Var(X1)+Var(X2)

Q: In a 2021 poll by the Public Religion Research Institution, 2,508 Americans were asked if they agree…

A: Given: n = 2508 The margin of error E = 2.1 Formula Used: σ = EnZ

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A: Given that  X~Unif0,2Y~Bi2,0.5 fX=12-0, 0≤X≤2FX=X-02-0, 0≤X≤2       =X2,…

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A: Given:-           Speedy Oil provides a single-server automobile oil change and lubrication service.…

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A: Given that, A guidance counselor wanted to know if anxiety differs based on time, if this differs…

Q: A cigarette manufacturer claims that one-eighth of the US adult population smokes cigarettes. In a…

A: Given: P = 18 = 0.125 n = 100 X = 5 α = 0.05 Formula Used: Test-statistic Z = p-PP(1-P)n

Q: e wish to estimate what percent of adult residents in a certain county are parents. Out of 200 adult…

A: n=200x=172CI=0.95α=1-0.95=0.05p^=xn  =172200  =0.86

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A: Given: Confidence level = 97% = 0.97 Significance level = 1-0.97 = 0.03 Zα/2 = Z0.03/2= Z0.015=…

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A:

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A: We have given that the  p-value for the left tailed test is p-value = 0.125

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A: Given:: More education tends to lead to more income. Which of the following could be a confounding…

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A:

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A: Introduction: It is required to obtain the sampling distribution of the sample medians.

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A:

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A: The probability of intersection P(A∩B)≤Min(P(A),P(B))

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A: The question is about hypo. testing Given : Pop. avg. of a banana will last ( μ ) = 6 days Randomly…

Q: 을.. If var(X) = var(Y) = o˚, cov(X,Y) = and 2Y-3 find the correlation between 2X +3

A: Solution-: Given: Var(X)=Var(Y)=σ2,Cov(X,Y)=σ22 We want to find Corr(2X+3, 2Y-3)=?

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A: Nominal and ordinal are the levels of measurement. In case of Nominal scale variables are simply…

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A: From the provided information, Sample size (n) = 50 Sample mean (x̄) = 14 Sample standard deviation…

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A: upper - tail test we have to find out the critical value for the given data

Q: 7. Assume there are 3,600 cases in the validation dataset, and 12% of these cases have a value of 1…

A:

Q: Suppose a randomly selected sample of n = 50 men has a mean foot length of X = 28.1 cm, and the…

A: given data sample size (n) = 50sample mean ( x¯ ) = 28.1sample standard deviation (s) = 495% ci for…

Q: If the variance of the sum is Var(X+Y) = 6 and Var(X) = Var(Y) = 4, then what is the correlation…

A: given data  Var(X+Y) = 6 Var(X) = Var(Y) = 4 corr(X,Y) = ?

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A: GivenThere are two factors in this scenario1. Eating Habits2. Social situations.

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A: Given that, 75 students at the University of Minnesota spend an average of $614 per month in rent…

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A: We have given that  P(Z< z) = 0.8365

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Q: a. A random sample with n = 4 takes the values -3,0, 1, 2. Calculate X = 8² =

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: The housing market has recovered slowly from the economic crisis of 2008. Recently, in one large…

A: Given,sample size(n)=27sample mean(x¯)=$9333standard deviation(s)=$1200

Q: top stu ents, an administrator at a college claims that this year's entering class must have a…

A: given data, claim:μ>113n=18x¯=116s=9α=0.05

Q: The proportion p of residents in a community who recycle has traditionally been 70%. A policy maker…

A: GIVEN DATA, normal distribution claim :p<0.70n=200x=135p^=xn=135200=0.675

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A: given data Z = 0.89claim : p>0.9