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Author Question: Thirty percent of the students in a high school face a disciplinary action of some kind before they ... (Read 165 times)

kaid0807

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on: Jul 24, 2018
Thirty percent of the students in a high school face a disciplinary action of some kind before they graduate. Of those students, 40 go on to college. Of the 70 who do not face a disciplinary action, 60 go on to college. Given that a randomly selected student goes on to college, what is the probability that he or she faced a disciplinary action?
 a. 0.12
  b. 0.22
  c. 0.30
  d. 0.78

Question 2

In a survey of n = 950 randomly selected individuals, 17 answered yes to the question Do you think the use of marijuana should be made legal or not? A 99 confidence interval for the proportion of all Americans in favor of legalizing marijuana is
 a. 0.150 to 0.190
  b. 0.146 to 0.194
  c. 0.142 to 0.198
  d. 0.139 to 0.201


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Chocorrol77

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

B

Answer to Question 2

D


kaid0807

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


Chocorrol77

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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