### Hypothesis Testing: Identifying the Type of Test**Problem Statement:**A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.**Hypotheses:**- Null Hypothesis (\(H_0\)): \( p = 0.7 \)- Alternative Hypothesis (\(H_a\)): \( p \ne 0.7 \)**Question:**What type of test is being conducted in this problem?**Options:**- A. Right-tailed test- B. Two-tailed test- C. Left-tailed test**Explanation:**The null hypothesis (\(H_0\)) states that the population proportion \(p\) is equal to 0.7. The alternative hypothesis (\(H_a\)) indicates that the population proportion \(p\) is not equal to 0.7. Since the alternative hypothesis is testing for a difference in either direction (i.e., \( p \ne 0.7 \) can be either \( p > 0.7 \) or \( p < 0.7 \)), it is a two-tailed test.**Correct Answer:** B. Two-tailed test

The null hypothesis and alternative hypothesis provided in the question are as follows :-Null…

Answered: A null and alternative hypothesis are…

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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Test the claim that the mean GPA of night students is significantly different than 3 at the 0.005 significance level. The null and alternative hypothesis would be: Ho:µ = 3 Ho:p = 0.75 Ho:p= 0.75 Ho:µ = 3 Ho:µ = 3 Ho:p = 0.75 Н:р 0.75 Hi:д > 3 Н:и #3 H:р< 0.75 The test is: two-tailed left-tailed right-tailed Based on a sample of 75 people, the sample mean GPA was 3.05 with a standard deviation of 0.06 The test statistic is: (to 2 decimals) The p-value is: 00 00 (to 2 decimals) Based on this we: Fail to reject the null hypothesis Reject the null hypothesis
Test the claim that the mean GPA of night students is significantly different than 2 at the 0.01 significance level. The null and alternative hypothesis would be: Ho:µ = 2 Ho:µ 0.5 H,:µ > 2 H:p 2 H :p + 0.5 H¸ :p 0.5 The test is: left-tailed right-tailed two-tailed Based on a sample of 75 people, the sample mean GPA was 2.03 with a standard deviation of 0.08 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: OFail to reject the null hypothesis O Reject the null hypothesis
Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.02 significance level. The null and alternative hypothesis would be: Ho: HN = HD Họ:µN = µD Ho:µN = HD HA:HN + HD HẠ:HN µD The test is: left-tailed right-tailed two-tailed The sample consisted of 30 night students, with a sample mean GPA of 2.68 and a standard deviation of 0.3, and 40 day students, with a sample mean GPA of 2.61 and a standard deviation of 0.2. The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals)
Which of the following relates to the rejection of the null hypothesis when it is actually true? 1. Type I error2. Type II error 3. Power 4. Statistical significance
You are conducting a study to see if the accuracy rate for fingerprint identification is significantly less than 0.69. If your null and alternative hypothesis are: Ho:p > 0.69 Ha:p < 0.69 Then the test is: two tailed O right tailed left tailed
Tru or False? For a right-tailed test, reject the null hypothesis only if P < α. For a left-tailed test, reject the null hypothesis only if P < α. If we reject the null hypothesis at a significance level of α = .01, then we also reject the null hypothesis at a significance level of α = .05.
Consider the following hypothesis test. H0: ? = 100 Ha: ? ≠ 100 A sample of 65 is used. Identify the p-value. Use ? = 0.05. (a) x = 103 and s = 11.5 Find the p-value. (Round your answer to four decimal places.) p-value = (b)x = 95.5 and s = 11.0 Find the p-value. (Round your answer to four decimal places.) p-value = (c) x = 101 and s = 10.5
Use technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean is µ< 98.6°F. The sample size is n= 5 and the test statistic is t= - 2.604. ..... P-value = (Round to three decimal places as needed.)
Below is the full question for the last question Fail to reject / reject the null hypothesis. There is / is not enough evidence to Support / reject the claim
Test the claim that the proportion of people who own cats is larger than 50% at the 0.01 significance level.The null and alternative hypothesis would be: H0:p=0.5 H1:p>0.5 The test is right tailed Based on a sample of 100 people, 51% owned catsThe p-value is: (to 2 decimals)
st 3 4 25 26 27 28 on 29 K Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and then state the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. Among 2073 passenger cars in a particular region, 222 had only rear license plates. Among 339 commercial trucks, 51 had only rear license plates. A reasonable hypothesis is that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars. Use a 0.10 significance level to test that hypothesis. a. Test the claim using a hypothesis test. b. Test the claim by constructing an appropriate confidence interval. a. Identify the null and alternative hypotheses for this test. Let population 1 correspond to the passenger cars and population 2 correspond to the commercial trucks. Let a success be a vehicle that only has a rear license plate. O A. Ho: P₁ = P2 H₁: P₁ P2 OB. Ho: P₁ P2 H₁: P₁ P2 OC.…

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A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. Ho: H₂: p = 0.7 p = 0.7 What type of test is being conducted in this problem? A. Right-tailed test B. Two-tailed test C. Left-tailed test 20