Question

9.12 Suppose a 95% confidence interval for p1−p2 is (0.43, 0.51). A researcher wants to test...

9.12 Suppose a 95% confidence interval for p1−p2 is (0.43, 0.51). A researcher wants to test H0∶p1−p2=0.5 versus Ha∶p1−p2≠0.5 at α=0.05 significance level. What is the p−value for this test?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

TOPIC:Finding the p-value using the given confidence interval.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1. Consider this hypothesis test: H0: p1 - p2 = 0 Ha: p1 - p2 >...
1. Consider this hypothesis test: H0: p1 - p2 = 0 Ha: p1 - p2 > 0 Here p1 is the population proportion of “yes” of Population 1 and p2 is the population proportion of “yes” of Population 2. Use the statistics data from a simple random sample of each of the two populations to complete the following: (8 points) Population 1 Population 2 Sample Size (n) 400 600 Number of “yes” 300 426 Compute the test statistic z. What...
For a hypothesis test of H0:p1 − p2 = 0 against the alternative Ha:p1 − p2...
For a hypothesis test of H0:p1 − p2 = 0 against the alternative Ha:p1 − p2 ≠ 0, the test statistic is found to be 2.2. Which of the following statements can you make about this finding? The result is significant at both α = 0.05 and α = 0.01. The result is significant at α = 0.05 but not at α = 0.01. The result is significant at α = 0.01 but not at α = 0.05. The result...
Conduct a test at the α=0.05 level of significance by determining (a) the null and alternative...
Conduct a test at the α=0.05 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, and (c) the P-value. Assume the samples were obtained independently from a large population using simple random sampling. Test whether p 2p1>p2. The sample data are x1=118, n1=254,x2=134, and n2=303. (a) Choose the correct null and alternative hypotheses below. A. H0: p1=p2 Versus H1: p1 B. H0: p1=p2 versus H1: p1≠p2 C. H0: p1=0 versus H1: p1≠0 D. H0:...
Conduct a test at the α=0.05 level of significance by determining (a) the null and alternative...
Conduct a test at the α=0.05 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, and (c) the P-value. Assume the samples were obtained independently from a large population using simple random sampling. Test whether p1>p2. The sample data are x1=125, n1=243,x2=139, and n2=307. (a) Choose the correct null and alternative hypotheses below. A. H0: p1=p2 versus H1: p1>p2 B. H0: p1=0 versus H1: p1≠0 C. H0: p1=p2 Versus H1: p1 D.H0: p1=p2 versus...
A researcher is conducting a randomized, placebo-controlled experiment to test the hypotheses H0:p1=p2 versus Ha:p1>p2H_a: p_1...
A researcher is conducting a randomized, placebo-controlled experiment to test the hypotheses H0:p1=p2 versus Ha:p1>p2H_a: p_1 > p_2Ha​:p1​>p2​ where p1= the population proportion of all patients given the new drug who are cured and p2=the population proportion of all patients given the placebo who are cured. The patients were randomly assigned to the two treatment groups in a 2 to 1 ratio, that is, twice as many patients were randomized to the new treatment as were to the placebo group....
1. Construct a confidence interval for p1-p2 at the given level of confidence. Group 1 X1=...
1. Construct a confidence interval for p1-p2 at the given level of confidence. Group 1 X1= 110 N1 = 250 Group 2 X2=134 N2 = 298      Alpha = 95% Confidence Interval p1-p2 = (_____, _____) 2.A sample size n = 50 is drawn from a normal population whose standard deviation = 3.8. The sample mean = 20.41. Construct a 95% confidence interval for mean
Question 3 (10 marks) This question concerns some concepts about hypothesis testing and confidence interval. For...
Question 3 This question concerns some concepts about hypothesis testing and confidence interval. For each part below, you must explain your answer. (a) Suppose we are doing a one-sample t test at the 5% level of significance where the hypotheses are H0 : µ = 0 vs H1 : µ > 0. The number of observations is 8. What is the critical value? [2 marks] (b) Suppose we are doing a hypothesis test and we can reject H0 at the...
Find the appropriate p-value to test the null hypothesis, H0: p1 = p2, using a significance...
Find the appropriate p-value to test the null hypothesis, H0: p1 = p2, using a significance level of 0.05. n1 = 100 n2=200 x1= 38 x2= 40 A) .1610 B) .7718 C) .0412 D) .2130
Construct a confidence interval for p1−p2 at the given level of confidence. x1=26​, n1=241​, x2=30​, n2=291​,...
Construct a confidence interval for p1−p2 at the given level of confidence. x1=26​, n1=241​, x2=30​, n2=291​, 95​% confidence The researchers are __% confident the difference between the two population​ proportions, p1−p2​, is between __ and __.
Construct a confidence interval for p1−p2 at the given level of confidence. x1=32​, n1=272​, x2=33​, n2=306​,...
Construct a confidence interval for p1−p2 at the given level of confidence. x1=32​, n1=272​, x2=33​, n2=306​, 95​% confidence. ____________________________________________________________________________ The researchers are __​% confident the difference between the two population​ proportions, p1−p2​, is between __ and __.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT