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Author Question: We believe that 90 of the population of all Business Statistics students consider statistics to be ... (Read 117 times)

formula1

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We believe that 90 of the population of all Business Statistics students consider statistics to be
  an exciting subject.
 
  Suppose we randomly and independently selected 23 students from the
  population and observed fewer than five in our sample who consider statistics to be an exciting
  subject. Make an inference about the belief that 90 of the students consider statistics to be an
  exciting subject.
  A) The 90 number is exactly right.
  B) The 90 number is too low. The real percentage is higher than 90.
  C) The 90 number is too high. The real percentage is lower than 90.
  D) It is impossible to make any inferences about the 90 number based on this information.

Question 2

According to a recent study, 1 in every 10 women has been a victim of domestic abuse at some
  point in her life.
 
  Suppose we have randomly and independently sampled twenty-five women
  and asked each whether she has been a victim of domestic abuse at some point in her life. Find
  the probability that more than 22 of the women sampled have not been the victim of domestic
  abuse.
  A) -0.005318 B) 0.265888 C) 0.773503 D) 0.537094



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Tonyam972

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Answer to Question 1

C

Answer to Question 2

D




formula1

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


kswal303

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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