A random sample of 144 residents in a community produced 88 residents testing positive for the herpes simplex virus (which causes cold sores). Researchers wish to test whether proportion testing...

A random sample of 144 residents in a community produced 88 residents testing positive for the herpes simplex virus (which causes cold sores). Researchers wish to test whether proportion testing positive is different from .50. Use α=.05.




Give each of the following to receive full credit: 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value. What do the results mean? You MUST show your work to receive full credit. Partial credit is available.