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Author Question: An education researcher randomly selects 48 middle schools and interviews all the teachers at each ... (Read 81 times)

jlmhmf

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An education researcher randomly selects 48 middle schools and interviews all the teachers at each school.
 
  A) Cluster B) Stratified C) Convenience D) Random E) Systematic

Question 2

A sample of 4 different calculators is randomly selected from a group containing 49 that are defective and 25 that have no defects. What is the probability that all four of the calculators selected are defective?
 
  A) 0.1841 B) 16.7491 C) 0.0678 D) 0.1922



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jonathanballen97

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Answer to Question 1

A

Answer to Question 2

A




jlmhmf

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Reply 2 on: Aug 2, 2018
Thanks for the timely response, appreciate it


connor417

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Reply 3 on: Yesterday
:D TYSM

 

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