When 3021 adults were surveyed in a poll, 72% said that they use the Internet. Is it okay for a newspaper reporter to write that "3 divided by 4 of all adults use the Internet"? Why or why not? Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value method. Use the normal distribution as an approximation of the binomial distribution.
a. Identify the null and alternative hypotheses. Choose the correct answer below.
b. The test statistic z
c. Identify the conclusion about the null hypothesis and the final conclusion that addresses the original claim. (Assume a 0.05 significance level.)