9.5 pleas help test hypothesis on H0 And find P- Value Suppose that 1000 customers are surveyed and 850 are satisfied or very satisfied with a corporation's products and services.Test the hypothesis Ho: p = 0.9 against H₁ :p # 0.9at a = 0.090. Find the P-value.Ho-The P-value is less thai ✔eTextbook and M0.0010.010.0250.00250.0050.05(choose the least possible).Statistical Tables and Char Suppose that 1000 customers are surveyed and 850 are satisfied or very satisfied with a corporation's products and services.Test the hypothesis Ho: p = 0.9 against H₁ :p # 0.9at a = 0.090. Find the P-value.RejectDo not rejectHo-than✓ (choose the least possible).Statistical Tables and Charts

Answered: uppose that 1000 customers are surveyed…

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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Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a random sample of 45 women who are 20 years of age or older today results in a mean height of 64.1 inches. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. (b) Suppose the P-value for this test is 0.11. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a= 0.05 level of significance. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. O A. Ho p=64.1 in versus H₁ µ‡64.1 in. OC. Ho μ= 63.7 in versus H₁ µ63.7 in. OB. Ho: μ-63.7 in, versus H₁: µ#63.7 in. OD. H₂ μ=64.1 in, versus H₁: µ 64.1 in.
Find the P-values while (hypothesis) testing mean.The principal of a school wants to test the average IQ of students at her school. She administers an IQ test to 36 randomly selected students. Among the sampled students, the sample average IQ is 108.a) What is the P-value when testing the hypothesis that the average IQ is at least 110? Assume that population standard deviation is known to be 10.P-value = (round to 4 decimals)b) What is the P-value when testing the hypothesis that the average IQ is at most 110? Assume that the sample standard deviation is known to be 10.P-value = (round to 4 decimals)c) What is the P-value when testing the hypothesis that the average IQ is not 110? Assume that population standard deviation is known to be 10.P-value = (round to 4 decimals)
In a test of hypothesis the p-value was 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 hypothesis
A survey of 22552255 randomly selected US adults found that 51%51% said they know all or most of their neighbors.1 Does this provide evidence that more than half of US adults know most or all of their neighbors? Clearly state the null and alternative hypotheses. Calculate the test statistic and pp-value.Round your answer for the test statistic to two decimal places, and your answer for the pp-value to three decimal places.test statistic == pp-value == Can we conclude that more than half of US adults know most or all of their neighbors? Yes No
Identify the null and alternative hypotheses Compute the t-statistic Find the p-value
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 2000 passenger cars in a particular�� region, 215 had only rear license plates. Among 375 commercial trucks, 52 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 0.01 significance level to test that hypothesis. a. Test the claim using a hypothesis test. b. Test the claim by constructing an appropriate confidence interval.
lume Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. A safety administration conducted crash tests of child booster seats for cars. Listed below are results from those tests, with the measurements given in hic (standard head injury condition units). The safety requirement is that the hic measurement should be less than 1000 hic. Use a 0.05 significance level to test the claim that the sample is from a population with a mean less than 1000 hic, Do the results suggest that all of the child booster seats meet the specified requirement? 712 660 1192 616 588 534 O What are the hypotheses?
Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a random sample of 45 women who are 20 years of age or older today results in a mean height of 64.1 inches. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. (b) Suppose the P-value for this test is 0.16. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a = 0.10 level of significance. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. O A. Hn: µ = 64.1 in. versus H,: µ> 64.1 in. O B. Ho: µ = 63.7 in. versus H;: µ#63.7 in. O C. Ho: µ= 64.1 in. versus H,: µ 63.7 in. O E. Hp: µ = 63.7 in. versus H,:µ< 63.7 in. O F. H,: µ= 64.1 in. versus H,: µ+64.1 in.
Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a random sample of 45 women who are 20 years of age or older today results in a mean height of 64.4 inches. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. (b) Suppose the P-value for this test is 0.17. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a = 0.10 level of significance. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. O A. Ho: H = 63.7 in. versus H,: µ # 63.7 in. O B. Ho: H = 64.4 in. versus H,: µ # 64.4 in. O C. Ho: H = 63.7 in. versus H,: µ 63.7 in. O E. Ho: µ = 64.4 in. versus H;: µ > 64.4 in. O F. Ho: H = 64.4 in. versus H,: µ< 64.4 in.
5
What is the p-value if, in a two-tail hypothesis test, ZSTAT=+1.45? p-value= (Round to four decimal places as needed.)
Calculate the standard error (Pie symbol)=_ N= 59, _ = .42 N= 93, _ =.41 N= 486, _ =.004

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