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Nadya [2.5K]
3 years ago
8

Suppose that a survey was taken of 320 people and each person was asked if they approved or disapproved of the president's actio

ns during the government shutdown. One hundred eighty people said that they approved. Which of the following statements correctly describes how the confidence interval for the population proportion of people that approved the President's actions during the government shutdown?
A) There are not 15 successes and 15 failures. A confidence interval can be computed by adding 2 successes and 2 failures.
B) There are not 15 successes and 15 failures. A confidence interval can be computed by adding 4 successes and 5 failures.
C) There are not 15 successes and 15 failures. A confidence interval can not be done.
D) There are at least 15 successes and 15 failures. A large sample confidence interval for the population proportion can be computed (phat +/- z * sqrt(p*(1-p)/n) with no additional values added.
Mathematics
1 answer:
wolverine [178]3 years ago
6 0

Answer: I believe it’s C

Step-by-step explanation: I hope i’m right

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