Suppose that 80% of all registered voters in a certain state favor banning the release of information from exit polls in presidential elections until after the polls in that state close. A random...

Extracted text: Suppose that 80% of all registered voters in a certain state favor banning the release of information from exit polls in presidential elections until after the polls in that state close. A random sample of 25 registered voters is to be selected. Let x = number of registered voters in this random sample who favor the ban. (Use Table 9 in Appendix A. Round your answers to three decimal places.)


Extracted text: (a) What is the probability that more than 20 voters favor the ban? P(x > 20) =