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In a report concerning the rise of automation in the United States, 55% of the participants indicated that they would not ride in a driverless car, and 89% favor a requirement of having a human in the driver's emergency. Suppose that the number of participants was n = 540. Is there sufficient evidence to conclude that more than a simple majority of Americans would not ride in a driverless car? LA USE SALT (a) Use a formal test of hypothesis with a = 0.05 to determine whether more than 50% of Americans would not ride in a driverless car. State the null and alternative hypothesis. O Ho: p = 0.5 versus Ha: p # 0.5 O Ho: p # 0.5 versus Ha: p = 0.5 O Ho: p = 0.5 versus Hai p 0.5 O Ho: p 0.5 Find the test statistic. (Round your answer to two decimal places.) z = Find the rejection region. (Round your answers to two decimal places. If the test is one-tailed, enter NONE for the unused region.) Z State your conclusion. O Ho is rejected. There is insufficient evidence to indicate that more than 50% of Americans would not ride in a driverless car. O Ho is not rejected. There is insufficient evidence to indicate that more than 50% of Americans would not ride in a driverless car. O Ho is rejected. There is sufficient evidence to indicate that more than 50% of Americans would not ride in a driverless car. O Ho is not rejected. There is sufficient evidence to indicate that more than 50% of Americans would not ride in a driverless car. (b) Use the p-value approach. (Use a = 0.05.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O The p value is greater than aloha so H. is not rejected. There is insufficient evidence to indicate that more than 50% of Americans would not ride in a driverless car. M 1009% 2 79.E