Question

A survey of 61 comma 646 people included several questions about office relationships. Of the​ respondents, 26.5​% reported that bosses scream at employees. Use a 0.05 significance level to test the claim that more than 1 divided by 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.

Answer 1

H ₀ : p ≤ 0.25

H ₁: p > 0.25

Test statics value z = 12.91

Decision Rule:

Reject the value of null hypothesis

Conclusion:

If survey is online then there is sufficient evidence to claim . If the sample is voluntary response sample then conclusion is not valid.

Explanation:

step by step explanation is shown in attachment.