This Question: 5 pts16 of 20 (6 complete)This Test: 100 pts possibleQuestion HelpThe test statistic of z = 2.50 is obtained when testing the claim that p> 0.2.a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed.b. Find the P-value.c. Using a significance level of a = 0.10, should we reject Ho or should we fail to reject H, ?Click here to view page 1 of the standard normal distribution table.Click here to view page 2 of the standard normal distribution table.a. This is a right-tailed test.b. P-value = 0.006 (Round to three decimal places as needed.)c. Choose the correct conclusion below.O A. Fail to reject Ho. There is not sufficient evidence to support the claim that p> 0.2.B. Reject Ho. There is sufficient evidence to support the claim that p> 0.2.OC. Fail to reject Ho. There is sufficient evidence to support the claim that p> 0.2.O D. Reject Ho. There is not sufficient evidence to support the claim that p> 0.2.Click to select your answer(s).P Pearson

It is given that the value of test statistic of z is 2.50 and the claim of the test is p > 0.20.…

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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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The test statistic of z= 1.22 is obtained when testing the claim that p>0.3. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of a = 0.01, should we reject Ho or should we fail to reject Ho? a. This is a test. b. P-value = (Round to three decimal places as needed.) c. Choose the correct conclusion below. O A. Fail to reject Ho. There is not sufficient evidence to support the claim that p>0.3. OB. Reject Ho. There is sufficient evidence to support the claim that p>0.3. OC. Reject Ho. There is not sufficient evidence to support the claim that p>0.3. OD. Fail to reject Ho. There is sufficient evidence to support the claim that p > 0.3.
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Question 5 of 13 -/ 4 View Policies Current Attempt in Progress Use the t-distribution to find a confidence interval for a difference in means u - Hz given the relevant sample results. Give the best estimate for u, - Hz, the margin of error, and the confidence interval. Assume the results come from random samples from populations that are approximately normally distributed. A 99% confidence interval for u, - 42 using the sample results I = 10.0, sı = 2.2, n = 50 and = 13.0, s2 = 5.8, n2 = 50 Enter the exact answer for the best estimate and round your answers for the margin of error and the confidence interval to two decimal places. Best estimate = i Margin of error = i Confidence interval: i to i II
Q: Using the data (provided below this question) test the hypotheses that the mean difference in writing and reading scores is zero and that the mean difference in math and science scores is zero. Use the paired-sample procedure. Use a 5% significance level if the problem doesn’t give an alpha. Note: Please only provide the t stat, p(T<=t) value and critical value. No need to explain the steps. School District Writing Reading Math Citizenship Science All Indian Hill 95 98 89 95 91 83 Wyoming 98 96 86 93 87 81 Mason City 96 92 85 94 86 72 Madiera 94 95 88 82 88 69 Mariemont 99 92 74 89 88 68 Sycamore 85 88 80 87 84 68 Forest Hills 93 91 73 85 88 67 Kings Local 92 86 78 82 78 64 Lakota 90 88 73 85 81 64 Loveland 85 93 72 86 86 61 Southwest 92 82 73 78 73 58 Fairf ield 90 86 71 83 77 57 Oak Hills 88 86 75 77 79 57 Three Rivers 87 85 66 84 77 56 Milford 82 86 72 82 76 53 Ross 84 85 66 75 78 52 West Clermont 88 83 63 73 70 48 Reading 88 80 58 76 75…
The test statistic of z=2.40 is obtained when testing the claim that p>0.7. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. Find the P-value. Using a significance level of α=0.10, should we reject H0 or should we fail to reject H0?
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Consider the hypothesis test below. H 0: p 1 - p 2 <= 0H a: p 1 - p 2 > 0 The following results are for independent samples taken from the two populations. Sample 1 Sample 2 n 1 = 100 n 2 = 300 p 1 = 0.27 p 2 = 0.17 Use pooled estimator of p. What is the value of the test statistic (to 2 decimals)? What is the p-value (to 4 decimals)? Use z-table.
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You wish to test the following claim (Ha) at a significance level of a = 0.001. H,:P = P2 Ha:pi > p You obtain 303 successes in a sample of size n = 488 from the first population. You obtain 159 successes in a sample of size ry = 266 from the second population. What is the test statistic for this sample? 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 O greater than a This test statistic leads to a decision to... O reject the null O accept the null O fail to reject the null As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the claim that the first population proportion is greater than the second population proportion. O There is not sufficient evidence to warrant rejection of the claim that the first population proportion is greater than the second population proportion. O The sample data support the claim that the first population…
Find the P-value that corresponds to the given standard score, and determine whether to reject the null hypothesis at the 0.05 significance level. Is the alternative hypothesis supported? z=3.5 for H₁: μ=124.5 kilograms and H₂: μ# 124.5 kilograms The P-value is (Round to four decimal places as needed.) Determine whether the alternative hypothesis is supported at a 0.05 significance level. O A. The P-value is more than the significance level. Do not reject Ho. The alternative hypothesis is not supported. OB. The P-value is more than the significance level. Reject Ho. The alternative hypothesis is supported. OC. The P-value is less than or equal to the significance level. Reject Ho. The alternative hypothesis is supported. O D. The P-value is less than or equal to the significance level. Do not reject Ho. The alternative hypothesis is not supported.
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