- ) Suppose that of 1000 customers surveyed, 850 are satisfied or very satisfied with acorporation's products and services.Fill in the missing values. What conclusion would you draw? Use the P-value toreach a conclusion.Null hypothesisHọ: p = 0.9Alternative hypothesis Hi: p + 0.9Z-Value P-Value-5.27Free-forHow large a sample would be required to be at least 98% confident that the error inestimating the satisfaction with the corporation's products and services is not more than0.03?

The following information is obtained: The sample size, n=1000 The no. of customers, that are…

Answered: - ) Suppose that of 1000 customers…

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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Calculate the SEMean Construct a 98% confidence interval for the population scores of Mrs. Paul’s students. State the null and alternate hypothesis for this test.
According to a report on consumer fraud and identity theft, 24% of all complaints for a year were for identity theft. In that year, Connecticut had 861 complaints of identity theft out of 3484 consumer complaints. Does this data provide enough evidence to show that Connecticut had a higher proportion of identity theft than 24% ? Test at the 10% level. State the hypotheses. Ho: P? O Ha: P ? Calculate the test statistic. Round to four decimal places. p = Calculate the standardized test statistic. Round to three decimal places. z = Find the p-value. Round to four decimal places. p-value = State your decision. O Since the p-value is greater than .10, reject Ho. O Since the p-value is less than .10, fail to reject Ho- O Since the p-value is greater than .10, fail to reject Ho. O Since the p-value is less than .10, reject Ho. Interpret the results. O At the 10% level of significance, there is enough evidence to show that the proportion of complaints due to identity theft in Connecticut is…
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Results from a civil servant exam are shown in the table to the right. Is there sufficient evidence to support the claim that the results from the test arediscriminatory? Use a 0.01 significance level. Passed Failed White candidates 17 14 Minority candidates 9 29 If: H0: White and minority candidates have the same chance of passing the test. H1: White and minority candidates do not have the same chance of passing the test. answer the following: **1. Determine the test statistic. x2 = ____ **2. Determine the P-value of the test statistic. p= ____
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