The following hypotheses are given. H0: ρ ≤ 0 H1: ρ > 0 A random sample of 12 paired observations indicated a correlation of .32. Can we conclude that the correlation in the population is greater than zero? Use the .05 significance level.

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A: Given information: n=270, p=0.08

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A: Given that, The confidence level is 0.95 The margin of error  E=0.03 There is no prior imfomation…

Q: In a recent poll, 270 people were asked if they liked dogs, and 15% said they did. Find the Margin…

A: given data sample size (n) = 270p^ = 0.1595% ci p, E = ?

Q: A consumer organization estimates that over a​ 1-year period 17​% of cars will need to be repaired​…

A: a) It is given that, over a​ 1-year period 17​% of cars will need to be repaired​ once, 7​% will…

Q: proportionality

A:

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A: event A : smartphone from company Aevent B : smartphone from company Bevent C : smartphone is…

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A: From the provided information, Mean (µ) = 2.4 Standard deviation (σ) = 0.2 X~N (2.4, 0.2) Sample…

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A: Given data in the problem is  University of the East Europe is interested in the overall performance…

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Q: Express the confidence interval 0.497 +0.077 in open interval form (i.e., (0.155,0.855)).

A: The confidence interval is given as, 0.497 ± 0.077.

Q: Just need part 2  Please do it neat and clean correctly and provide only typed answer solution no…

A: part 2given data 90% ci for pE = 0.07n = ?no prior estimate for p

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A: Introduction: The dependent variable for the first model is the yield, denoted by Y (x), and that…

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A: From the provided information, Sample size (n) = 20 Confidence level = 95%

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A: Given that.   X~N( μ , ?)   μ=14.7 , ?=33   Z-score =( x - μ )/?

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A: As per our guidelines we suppose to answer only one question kindly post the remaining question in…

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A: Given,mean(μ)=200standard deviation(σ)=25

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A: Consider that μ is the population number of Facebook friends.

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A: We have given that P(Saturday)=40%=0.40 P(Sunday)=60%=0.60 P(Saturday and Sunday)=20%=0.20

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A: Givenmargin of error(E)=0.01confidence level=95%

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A: Given The data is as follows: Sample proportion, p^=0.67

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A: Given Information: The given matrix is,183-42-1970

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A: The required answers to the question asked is as in steps below.

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A:

Q: Suppose ₁ and ₂ are true mean stopping distances at 50 mph for cars of a certain type equipped with…

A: Given that  Sample size n1=9 , n2=9

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A: Hi thank you for posting this question,  since you have posted multiple subparts as per our policy…

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A: given data   sample size(n) = 22 sample standard deviation(s)  = 0.28 mgconstruct 80 % ci for σ.

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A: a) The frequency distribution of college graduates for the time with current employer is given.

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Q: Suppose that an airline uses a seat width of 16.8 in. Assume men have hip breadths that are normally…

A: given data normal distributionμ = 14.8σ = 0.9n = 115

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A:

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A: It is given that margin of error (E) is 0.04 and the confidence level is 0.90.

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A:

Q: A frog is in a pond with 5 water lilies numbered from 1 to 5. With exponential rate 1, the frog…

A: Given Information: Consider a given study in which a frog in a pond with 5 water lilies numbered…

Q: with μ = 7 and σ = 2. You find a sample mean = 5. The sampling error is O-1 unknown 02 O-2

A: Given that information Sample size= n = 4 Mean = mu =7 Std = sigma = 2 Sample mean=X bar =5

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A: given data 95% confidence interval for p. E = 0.01n = ?

Q: When is a z-score considered to be highly unusual? Group of answer choices a z-score over 1.96 is…

A: here we have to answer that when is a a z score considered to be highly unusual?

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Q: (a) Erythromycin is a drug that has been proposed to possibly lower the risk of premature delivery.…

A: Answer  Given that: p=30% =30/100 = 0.30  X =64 n =175 proportion =x/n =64/175 ~0.3657 right tailed…

Q: You want the probability that an attacker without particular information must be able to crack your…

A: It is given that the prob. that a password is cracked on the first attempt is at most 12n; n=59. The…

Q: Consider the following regression Yi = βXi + ui. Show that (a) the OLS estimator of β is βˆ =…

A: Given that Consider the following regression Yi = βXi + ui. Show that (a) the OLS estimator of β is…

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A: Given information: Given data represents the values of the independent variable x and the dependent…

Q: Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample…

A: Given data is60,64,64,57,64,54,61,60,61,70,62,67sample size(n)=12confidence level=90%