Concept explainers
Final Conclusions. In Exercises 25–28, use a significance level of α = 0.05 and use the given information for the following:
a. State a conclusion about the null hypothesis. (Reject H0 or fail to reject H0.)
b. Without using technical terms or symbols, state a Final conclusion that addresses the original claim.
26. Original claim: Fewer than 90% of adults have a cell phone. The hypothesis test results in a P-value of 0.0003.
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Chapter 8 Solutions
Essentials of Statistics (6th Edition)
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