Suppose you are testing Ho = 24.8 vs Ha> 24.8. You find a 90%confidence interval for mu to be (25.6, 26.2). What should your conclusion befor this hypothesis testing?At alpha=.05, I rejectAt alpha=.05, I fail to rejectAt alpha .10, I rejectAt alpha=.10, I fail to reject

The given hypothesis is vs .The 90% confidence interval for mu to be .

Answered: Suppose you are testing Ho = 24.8 vs Ha…

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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5. Determine whether to reject or fail to reject the null hypothesis in the following situations: a. t(40)=2.49,α=0.01 , one-tailed test to the right b. X1= 64, X2=54, n1=14, n2=12, sX1-X2=9.75, a=0.05, two tailed test c. 95% Confidence Interval: (0.50,2.10)
If the decision rule for a one-tailed test of hypothesis is given as: Reject Ho if z<-2.36. What is the value of alpha?
Suppose we are able to use a normal model. In order to construct a 99% Confidence Interval, we have to find the margin of error (ME), and we can use the following formula: 2.579*SE, where SE is computed with the image that's attached to this problem. Using SE = 0.049, find ME for the 99% Confidence Interval. Round your answer to 3 decimal places.
The information from #2 is: Z a/2=1.960 CI=(0.7446,0.8554) I attached question #2 for reference but need #5 answered.
A random sample of 100 male employees showed that 42 are working from home while a random sample of 100 female employees showed that 63 are working from home. Are the two population proportions equal? Test at alpha=0.05. What is Ho and Ha? And what is the test statistic value for this test? Based on the test statistic value, what is your decision?
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A telephone poll of 841 adult Americans was reported in an issue of Time Magazine. One of the questions asked was, "What is the main problem facing the country?" Forty percent answered, "crime." Construct a 88% confidence interval for the population proportion of Americans who feel that crime is the main problem.p'=α2=zα2=Margin of Error: E=We are 88% confident that the proportion of Americans who feel that crime is the main problem is between____ and ____.
Under what circumstances is a t statistic used instead of a z-score for a hypothesis test? Justin wants to know whether a commonly prescribed drug does improve the attention span of students with attention deficit disorder (ADD). He knows that the mean attention span for students with ADD who are not taking the drug is 2.3 minutes long. His sample of 12 students taking the drug yielded a mean of 4.6 minutes. Justin can find no information regarding σx , so he calculated s2x =1.96. Determine the critical region using a one-tailed test with alpha = .05. Conduct the hypothesis test (Do the math and compare the t-critical and t-obtained values). State your conclusions in terms of H0 (Should you reject the H0 or fail to reject/accept the H0). Based on your analysis, is there a relationship between the drug and attention span?
A sample of 1100 observations taken from a population produced a sample proportion of 0.38. Make a 90 % confidence interval for Round your answers to three decimal places. = ( ) to ( )
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Suppose that your 95% confidence interval for p is (0.68, 0.74). Based on the confidence interval what would your decision be for the hypothesis test H0: p=0.8 versus H1:p≠0.8 at the α=0.05 level?

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Suppose you are testing Ho = 24.8 vs Ha > 24.8. You find a 90% confidence interval for mu to be (25.6, 26.2). What should your conclusion be for this hypothesis testing? At alpha=.05, I reject At alpha=.05, I fail to reject At alpha = 10, I reject At alpha=10, I fail to reject