A.dentify the null and alternative hypotheses for this test. B. Identify the P-value for this hypothesis test. C.Identify the conclusion for this hypothesis test.(reject or fail to reject and why?)
In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6962 subjects randomly selected from an online group involved with ears. There were 1317 surveys returned. Use a 0.01 significance level to test the claim that the return rate is less than 20%. Use the P-value method and use the
A.dentify the null and alternative hypotheses for this test.
B. Identify the P-value for this hypothesis test.
C.Identify the conclusion for this hypothesis test.(reject or fail to reject and why?)
D.Does the accuracy rate appear to be acceptable? (is there or is there not sufficent evidance to reject the claim and why?)
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