Answered: Find the p-value for a left-tailed…

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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A random sample of 828 births included 427 boys. Use a 0.10 significance level to test the claim that 51.5% of newborn babies are boys. Do the results support the belief that 51.5% of newborn babies are boys? D. Ho: p=0.515 H₁: p0.515 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is 0.04 (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is 0 (Round to three decimal places as needed.) 4 √₁ S Vi 1 (4) More
What is the value of the test statistic for a test with a null hypothesis that mu = 100, Xbar = 110, the standard error = 20 and n = 49?
Determine the conclusion to the hypothesis test with a test statistic of -3.48 for two samples with known sigma given H0: uA-uB=0 vs Ha: uA-uB<0 and a 1% level of significance. Should you reject the null hypothesis or fail to reject the null hypothesis? Why?
The test statistic for a two tailed hypothesis test on a sample of 18 is 2.639. Find an interval for which the p-value lies.
IDENTIFY THE P VALUE AS WELL
Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject Ho for the given level of significance a. Right-tailed test with test statistic z = 1.33 and x = 0.09 P-value= (Round to four decimal places as needed.) C
What is the p-value of a right-tailed one-mean hypothesis test, with a test statistic of z0=1.6? (Do not round your answer; compute your answer using a value from the table below.)
What is the p-value of a right-tailed one-mean hypothesis test, with a test statistic of z0=2.05? (Do not round your answer; compute your answer using a value from the table below.)
A published report claims that 35% of college students have used an online dating site or app. Believing this claimed value is too low, a researcher surveys a random sample of n = 420 college students about their experiences with online dating sites and apps. A total of 166 of the surveyed students indicate that they have used online dating sites or apps. Use this information to conduct a hypothesis test at a significance (or alpha) level of 0.05. 1.Based on the test statistic you computed to answer Question 11, along with what you see in Table B, what should the P-value be? 2. Based on the P-value you obtained and how it compares to the significance level of 0.05, what is your conclusion? 3. Look again at your answer to Question 13. If a smaller significance level had been chosen—like 0.01—would you have reached a different conclusion? Please explain. 4. Again, look back at how you answered Question 13. If a larger significance level had been chosen—like 0.10—would you have…
Find the P-value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject Ho for the given level of significance a. Right-tailed test with test statistic z = 1.00 and a = 0.04 ..... P-value = (Round to four decimal places as needed.)

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Find the p-value for a left-tailed hypothesis test with a test statistic of z= -1.25