Answered: 0.09 . If the level of significance is…

0.09 . If the level of significance is 5 % . What is the conclusion ? Not enough information Reject the alternative hypothesis Fail to reject the null hypothesis Reject the null

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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What is p? What happens to type 1 and type 2 error when you raise and lower your p-value?
The Nero Match Company sells matchboxes that are supposed to have an average of 40 matches per box, with ? = 8. A random sample of 90 matchboxes shows the average number of matches per box to be 43.0. Using a 1% level of significance, can you say that the average number of matches per box is more than 40?What are we testing in this problem? single meansingle proportion (a) What is the level of significance?State the null and alternate hypotheses. H0: p = 40; H1: p > 40H0: p = 40; H1: p ≠ 40 H0: p = 40; H1: p < 40H0: ? = 40; H1: ? > 40H0: ? = 40; H1: ? ≠ 40H0: ? = 40; H1: ? < 40 (b) What sampling distribution will you use? What assumptions are you making? The Student's t, since we assume that x has a normal distribution with known ?.The standard normal, since we assume that x has a normal distribution with known ?. The standard normal, since we assume that x has a normal distribution with unknown ?.The Student's t, since we assume that x has a normal distribution…
Construct a 96% confidence interval if x=75 and n=200. Round your answers to 3 decimal places.
Chose the most appropriate procedure to test the claim. This is all one question. Test the claim that a higher percent of African-American drivers are searched by the police than Caucasian drivers. [ Choose ] 2-Independent Population Mean Matched Pairs 2-Independent Population Proportion ANOVA 1-Population Mean against a hypothesized value Goodness-of-Fit Test 1-Population Proportion against a hypothesized value Test of Association Test the claim that marital status (Divorced, Married/Never Divorced) is related to religious affiliation (A, B, C, D). [ Choose ] 2-Independent Population Mean Matched Pairs 2-Independent Population Proportion ANOVA 1-Population Mean against a hypothesized value Goodness-of-Fit Test 1-Population Proportion against a hypothesized value…
You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly more than 0.16. You use a significance level of a = 0.01. Но:р — 0.16 H1:p > 0.16 You obtain a sample of size n = 621 in which there are 104 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... O less than (or equal to) a greater than a This test statistic leads to a decision to... O reject the null O accept the null Ofail to reject the null As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the claim that the proportion of voters who prefer Candidate A is more than 0.16. O There is not sufficient evidence to warrant rejection of the claim that the proportion of voters who prefer Candidate A is more than 0.16. O The sample data support the claim that the…
MULTIPLE CHOICE We would like to assess if, on average, there is a significant difference in the amount time (in seconds) it takes to write a full name (difference = writing hand – non-writing hand) for all first-grade children in the US . The hypotheses are: H0: μd = 0 versus Ha: μd ≠ 0 and a 10% significance level is selected. After conducting the appropriate test, the researcher fails to reject H0 at a 10% significance level. Using the same data, which of the following intervals would be a reasonable 90% confidence interval for μd? [(-2.1, -.4), (.53, 4.7), or -.4, 1.3) ] ? The research prefers to use QQ plots over histograms for checking normality assumptions in general. How many QQ plots would the researcher need to make for this study? [1, 2, or 3] Alpha (?α ) is the probability of [incorrectly or correctly] concluding that μd ≠ 0.
Take your time answer the questions, this is all one question, please answer correctly, thank you very much, will write an wonderful review when solutions are done.
State the null and alternative hypotheses for the statistical test described below. Your answer should be an expression composed of symbols: =,≠,<,>,μ,μ1,μ2,p,p1,p2,0.3,ρ,p^,p^1,p^2,r.Testing to see if there is evidence that a proportion is greater than 0.3. H0: vs Ha:
Previously, 43% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 144 of 300 parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science do parents feel different today? Use the = 0.1 level of significance. what are the Null and alternative hypothesis? use technology to find the P value. P value =_. (round to three decimal places as needed.$ should one reject the null hypothesis? or should one not reject the null hypothesis?