Please do Part D, E, F, G. The answers for part A,B,C are given to help. QUESTION: A national poll found that 684 people out of 1100 believe in UFO’s. Answer the following questions. a. What is the point estimate for the number of people who believe in UFO’s? ANSWER: 684 b. Find the 94% confidence interval for the number of people who believe in UFO’s. ANSWER: 0.6218 c. Give a statement about the confidence interval in the context of the problem. ANSWER: (0.5943, 0.6493) d. Does this confidence interval provide good evidence that the actual percentage of people who believe in UFO’s is 60%? Explain. e. Suppose we wish to perform a hypothesis test on this poll. Does this provide good evidence that the number of people who believe in UFO’s is more than 60%? Perform the test at the 3% significance level. State the hypotheses, find the test statistic and p-value and state the decision. f. State the conclusion of the above hypothesis test in the context of the problem. g. The conclusions from d and e agree? Explain.
Please do Part D, E, F, G. The answers for part A,B,C are given to help.
QUESTION: A national poll found that 684 people out of 1100 believe in UFO’s. Answer the following questions.
a. What is the point estimate for the number of people who believe in UFO’s? ANSWER: 684
b. Find the 94% confidence interval for the number of people who believe in UFO’s. ANSWER: 0.6218
c. Give a statement about the confidence interval in the context of the problem. ANSWER: (0.5943, 0.6493)
d. Does this confidence interval provide good evidence that the actual percentage of people who believe in UFO’s is 60%? Explain.
e. Suppose we wish to perform a hypothesis test on this poll. Does this provide good evidence that the number of people who believe in UFO’s is more than 60%? Perform the test at the 3% significance level. State the hypotheses, find the test statistic and p-value and state the decision.
f. State the conclusion of the above hypothesis test in the context of the problem.
g. The conclusions from d and e agree? Explain.
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