Whats wrong Explain what is wrong with each of the

Chapter , Problem 8.21

(choose chapter or problem)

Whats wrong? Explain what is wrong with each of the following: (a) A student project used a confidence interval to describe the results in a final report. The confidence level was 115%. (b) The margin of error for a confidence interval used for an opinion poll takes into account the fact that people who did not answer the poll questions may have had different responses from those who did answer the questions. (c) If the P-value for a significance test is 0.50, we can conclude that the null hypothesis has a 50% chance of being true.

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