[Statistics: Confidence Intervals and Hypothesis Testing] How do you solve this, will upvote if done quickly Let Y1, Y2,.., Yn be a random sample from a Normal distribution with mean u and variance o?. The(n-1)s?sampling distribution of the quantityhas aO F distributionO normal distributionO chi-square distributionO t distribution

Answered: Image /qna-images/answer/6c933c8c-741b-41d8-a98e-2750d932fa99.jpg

Answered: Let Y1, Y2, Yn be a random sample from…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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If the attachment picture answer is correct (if not, what is the answer & how did you get the answer) In the Invisible Gorilla experiment, the assumption is that most observers in this experiment would notice a person in a Gorilla suit walk into the middle of the ball tossers, beat their chest, and walk out. In our hypothetical example, H0 = The relative frequency of successes in the population is p = 0.75 (ie, most observers) HA = The relative frequency of success in the population is something other than p = 0.75 (p ≠ 0.75) In looking at your calculated 95% confidence interval (assuming your answer is correct), does the value of 0.75 fall inside or outside of the interval? Would you then reject or fail to reject the null hypothesis? (select all that applies) inside outside reject fail to reject
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Question Help In a random sample of n = 200 patients, the proportion cured by a new drug was p = 120/200 = 0.6. We would like to determine with 90% confidence whether this provides sufficient evidence that, in the long run, the cure rate of the new drug would be higher than the 51% cure rate of the old drug. That is, we want to: Test Ho: p = 0.51 New drug is no better than the old drug. Versus Ha: p> 0.51 New drug is better than the old drug. Use all digits showing on your calculator in your intermediate calculations but show only the indicated number of digits to the right of the decimal point in your final answer. (a) Critical value from the z table: (b) Test statistic: (c)Conclusion: O A. Fail to reject Ho. Sample does not provide enough evidence to say that the new drug is better than the old. g O B. Reject Ho with 90% confidence and conclude that the new drug is better than the old. (d) p-value: Because the p-value is less than 0.01, the sample provides strong evidence that the…
[Statistics: Confidence Intervals and Hypothesis Testing] How do you solve this, will upvote if done quickly
[Regression Analysis] How do you solve this? a) Is smoking a significant factor in the risk of stroke? Justify your answer testing appropriate hypothesis. Please, provide: hypotheses, test statistic, p-value, and conclusion. Use α = 0.05. b) Form a 95% confidence interval for βsmoker. Interpret the interval.
Part 2 of 5 What is the value of the test statistic? Enter the value to the full accuracy shown (do not round). Part: 2/ 5 Part 3 of 5 What is the P-value? Enter the value to the full accuracy shown (do not round). P-value
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Let Y1, Y2, Yn be a random sample from a Normal distribution with mean µ and variance o?. T · , (n-1)s² sampling distribution of the quantity has a