Consider a drug testing company that provides a test for marijuana usage. Among 253 tested subjects, results from 25 subjects were wrong (either a false positive or a false negative). U that less than 10 percent of the test results are wrong. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.1 H: p>0.1 O B. Ho: p=0.1 Hz: p<0.1 OC. Ho: p=0.1 H: p=0.1 O D. Ho: p<0.1 Hz: p=0.1 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is 0 (Round to two decimal places as needed.)

Consider a drug testing company that provides a test for marijuana usage. Among 253 tested subjects, results from 25 subjects were wrong (either a false positive or a false negative). U that less than 10 percent of the test results are wrong. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.1 H: p>0.1 O B. Ho: p=0.1 Hz: p<0.1 OC. Ho: p=0.1 H: p=0.1 O D. Ho: p<0.1 Hz: p=0.1 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is 0 (Round to two decimal places as needed.)

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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65 homeless people in San Jose were asked their age. The sample mean age was 33.2 years. Let x be a random variable representing ages of homeless people in San Jose. Assume that x has a normal distribution and o = 7.3 years. Do the data indicate that the mean age of the population of homeless people in San Jose is less than 35 years old? Use a = 0.05. Identify the following in your answer. 1. Identify the null hypothesis Ho and alternate hypotheses H, for the problem. 2. Identify the sample statistic, test statistic, p-value and calculator key used: Sample Statistic (sample mean) (Stated in problem) = Test Statistic (z) (Round to two decimal places) %3D P-value: (Round to four decimal places) = Calculator key used: 3. Identify the significance level and determine if you reject or fail to reject the null hypothesis. significance level = Do you reject or fail to reject Ho ? 4. State your conclusion. Upload your answer. Remember you can only upload one document. Upload Choose a File
please answer d, e, f f; accept, reject, fail to reject
The null hypothesis and the alternate hypothesis are: H0: The frequencies are equal.H1: The frequencies are not equal. Category f0 A 10 B 10 C 20 D 10 a. State the decision rule, using the 0.01 significance level. (Round your answer to 3 decimal places.) b. Compute the value of chi-square. (Round your answer to 2 decimal place.) c. What is your decision regarding H0?
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