The news program for KOPE, the local television station, claims to have 40% of the market. A random sample of 500 viewers conducted by an independent testing agency found 192 who claim to watch the KOPE news program on a regular basis.
a. Find the p-value for testing the hypothesis that the news program for KOPE does not have at least 40% of the market, as it claims.
b. Is there sufficient evidence to reject the hypothesis that KOPE does not have at least 40% of the market at the significance level of 0.05?