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A survey of 61648people included several questions about office relationships. Of the​ respondents, 27.4 bosses scream...

A survey of

61648people included several questions about office relationships. Of the​ respondents,

27.4 bosses scream at employees. Use a 0.01 significance level to test the claim that more than

1/4 of people say that bosses scream at employees. How is the conclusion affected after learning that the survey is an online survey in which Internet users chose whether to​ respond? Identify the null​ hypothesis, alternative​ hypothesis, test​ statistic, P-value, conclusion about the null​ hypothesis, and final conclusion that addresses the original claim. Use the​ P-value method. Use the normal distribution as an approximation of the binomial distribution.

A) The test statistic is z=

B) The P value is

C) Identify the conclusion about the null hypothesis and the final conclusion that addresses the original claim.

( Reject/ Fail to reject H0), there (is/ is not) sufficient evidence ( the conclusion (is/ is not) valid

Math   Statistics-And-Probability   
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