Test the claim below about the mean of the differences for a population ofpaired data at the level of significance a. Assume the samples are randomand dependent, and the populations are normaly distributed.Claim: p, <0, a = 0.10. Sample statistics: d= 1.4, s.- 3.6, n= 14*..Identify the null and alternative hypotheses. Choose the correct answer below.O A. H, H< 0O B. H, Pa > 0Ha: Hd 20O C. H, Ha 20Ha Ha <0O D. H, Hd s0Ha Hd >0O E. Ho: Ha = 0Ha Ha 70OF. Ho Ha #0Ha: Ha = 0

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Answered: Test the claim below about the mean of…

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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Using image attached A. Fill in blanks B. What are the null and alternative hypothesis? C. Find the test statistic, z0 D. Find the P-Value
her. If the candi needed? Because the p-hat is not A E = 0.07 c = 0.90 Solution Given information: Z. = 1.645 At c = 0.90 , n = pq () = 0.5(1 – 0.5) (4) 2 Minimum Sample Size to Estimate p : 0.07 139 (rounded up) Try This 8.3.2 wich to estimate, with 90% confidence, the population proportion of U.S. adults who are onfident in the stability of the U.S. banking system. Your estimate must be accurate within 3% of the nopulation proportion. Find the minimum sample size needed, using a prior study that found that 43% of U.S. adults are confident in the stability of the U.S. banking system. Confidence Interval Summary Mean with Standard Mean with Standard Proportions Deviation o Known Deviation o Unknown Critical Value Zc tc with d.f.=n – 1 E = tc n Margin of Error S E = Zc Jn E = Zc 的一”
Test the claim about the population mean, μ, at the given level of significance using the given sample statistics. Claim: μ = 50; x = 0.09; a=3.15. Sample statistics: Xx=48.6, n=68 Identify the null and alternative hypotheses. Choose the correct answer below. OA. Ho: μ> 50 OB. Ho: #50 H₂:μ=50 H₂: H=50 OC. Ho: 50 Calculate the standardized test statistic. The standardized test statistic is -3.665. (Round to two decimal places as needed.) C example Get more help. OD. Ho: H=50 H₂: <50 F. Ho: H=50 H₂:μ#50 Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) ⒸA. The critical values are OB. The critical value is 0 Clear all Final check
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Test the claim about the population mean, p, at the given level of significance using the given sample statistics. Claim: u = 30; a = 0.09; o = 3.16. Sample statistics: x = 29.5, n = 66 Identify the null and alternative hypotheses. Choose the correct answer below. O B. H,: H= 30 Ha:u> 30 O A. Ho: H 30 Ha: u= 30 O E. Ho: H= 30 O F. Ho:H=30 Ha: H<30 Hi µ#30 Calculate the standardized test statistic. The standardized test statistic is. (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. The critical value is. O B. The critical values are t Determine the outcome and conclusion of the test. Choose the correct answer below.
A. MULTIPLE CHOICE Directions: Write the letter of the correct answer on the space provided before each number. 1. For any hypothesis test, p-value = probability of committing a a. Type III error c. Type IV error b. Typel error d. Type II error 2. Which of the following is the standard deviation of the sample proportions? Po a. √pq C. n 90 Poqo b. d. n 3. For a z-test of proportions, which of the following is the rejection region for a two-tailed test? a. z> za or z>-Za C. Z -Za b. z>-Za/2 or z > Za/2 d. z Za/2 4. If po 0.48, what is go? c. 0.52 c. 0.48 d. 0.82 d. 0.62 5. In a test of Ho: μ = 100 against Ho : µ > 100, the sample data yielded the sample statistic z = 2.15. What is the p-value for the test. a. 0.0158 c. 0.0157 b. 0.0159 d. 0.0160
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Use technology to help you test the claim about the population mean, µ, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: µ> 1170; a = 0.07; o = 212.01. Sample statistics: x= 1185.03, n= 300 Identify the null and alternative hypotheses. Choose the correct answer below. Ο Α. Ho μ2 1185.03 Ο Β. Ho : με 1185.03 Ha: µ 1185.03 O C. H μ2 1170 O D. Ho: µ> 1170 Ha: H 1185.03 Ha: µ> 1170 Ha: us1185.03 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the P-value. P = (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. Ho. At the 7% significance level, there enough evidence to the claim.
b.
Question Help Y 12.2.79 The number of successes and the sample size for a simple random sample from a population are given below. x = 8, n = 40, Ho:p=0.4, H2: p< 0.4, a = 0.01 a. Determine the sample proportion. b. Decide whether using the one-proportion z-test is appropriate. c. If appropriate, use the one-proportion z-test to perform the specified hypothesis test. Click here to view a table of areas under the standard normal curve for negative values of z. Click here to view a table of areas under the standard normal curve for positive values of z. c. Determine the test statistic, if appropriate. Select the correct choice below and, if necessary, fill in the answer box to complete your answer. z= - 2.58 (Round to two decimal places as needed.) B. The one-proportion z-test is not appropriate. Identify the critical value(s), if appropriate. Select the correct choice below and, if necessary, fill in the answer box to complete your answer. A. ±Za/2 (Round to two decimal places as…

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