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Author Question: In a certain class of students, there are 8 boys from Wilmette, 6 girls from Winnetka, 8 girls from ... (Read 143 times)

vHAUNG6011

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on: Aug 2, 2018
In a certain class of students, there are 8 boys from Wilmette, 6 girls from Winnetka, 8 girls from Wilmette, 7 boys from Glencoe, 5 boys from Winnetka and 6 girls from Glenoce.
 
  If the teacher calls upon a student to answer a question, what is the probability that the student will be a boy?
  A) 0.5 B) 0.647 C) 0.2 D) 0.375

Question 2

If two variables are completely unrelated, robs .
 
  a. equals zero
  b. equals either +1.00 or -1.00
  c. is a large value but not +1.00 or -1.00
  d. is greater than 1.00


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Liddy

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Reply #1 on: Aug 2, 2018
Answer to Question 1

A

Answer to Question 2

A


vHAUNG6011

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Reply 2 on: Aug 2, 2018
Wow, this really help

sailorcrescent

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

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