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 are​ discriminatory? Use a 0.05 significance level.     Passed Failed White candidates 14 13 Minority candidates 11 29 a. Determine the null and alternative hypothesis. Determine test statistic (Round to three decimal places). Determine the p value of the statistic.(Round to four decimal places). b. Is there sufficient evidence to support the claim that the results from the test are discriminatory?

Q: K A data set includes data from 400 random tornadoes. The display from technology available below…

A: given data  n= 400claim : μ > 2.8α= 0.05

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A: a.   i.   Denote p1, p2 as the true population proportions of smokers in urban and suburban,…

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A: In order to test the claim that results from the test are discriminatory, a chi-square test of…

Q: Will you help with this question on my review notes? In a 1997 a survey of 900 households showed…

A: Given n=900 Alpha=0.05 X=144

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A: Decision rule :Reject Null hypothesis if z statistic > zα/2 critical value at α level of…

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A:

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A: a.   It is needed to check, whether subject lies is independent of the polygraph test indication.

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A:

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A: Givenn=200x=60p^=xn=60200=0.3H0:P=0.32H1:P<0.32α=0.05

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A: Test statistic: From the given information, Color Observed frequency, O Proportion, p Expected…

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Q: # 2. The manager of Apple Green Golf wishes to study the number of rounds of golf played per week…

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A: we have given that  n=54;  ¯x=40.66 pounds;  s=3.97 pounds  and alpha=0.05 NOTE:- According to…

Q: I am interested to see the average weight of a bottle of sparkling water and a bottle of Coca-Cola.…

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A:

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A: For the given data, we need to test: Ho: u = 90.9 Ha: u &lt; 90.9

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A: Given  Z stat=-2.01, p value=0.0443  Hypothesis  Ho: p=0.40 vs H1: p≠0.40 ( two tailed)  ɑ=0.05

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A: From the given Determine the null and alternative hypotheses

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A: (a)Power:The probability of rejecting the null hypothesis when the null hypothesis is false.

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Q: You wish to test the following claim (Ha) at a significance level of a = 0.01. H.:µ = 78.5 Ha:u <…

A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.