The researchers found that of the 457 matches, the competitor in red won 248 times.
a. State the appropriate null and alternative hypotheses in the context of this study.
b. Using an appropriate applet, find the p-value using a theory-based test (one-proportion z-test; normal approximation).
c. Summarize your conclusion from your p-value.
d. What is the z-statistic for the test? What does this number represent in the context of this study?