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Author Question: In a random sample of n = 400 people, 40 say they have allergies. The conservative margin of error ... (Read 149 times)

kaid0807

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on: Jul 24, 2018
In a random sample of n = 400 people, 40 say they have allergies. The conservative margin of error is reported to be 5. What is a 95 confidence interval for the percent of the population that has allergies?
 a. 25 to 55
  b. 30 to 50
  c. 35 to 45
  d. 40 to 45

Question 2

A polling agency conducted a survey of 100 doctors on the question: Are you willing to treat women patients with the recently approved pill RU-486? The conservative margin of error associated with the 95 confidence interval for the percent who say yes' is
 a. 50.
  b. 10.
  c. 5.
  d. 2.


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Moriaki

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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

B


kaid0807

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Reply 2 on: Jul 24, 2018
Wow, this really help

pangili4

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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