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Author Question: Find the 5th percentile. What will be an ideal response?[br][br][b][color=#FA1639]Question ... (Read 106 times)

NClaborn

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on: Jun 24, 2018
Find the 5th percentile.
 
  What will be an ideal response?

Question 2

All of the following are examples of a continuous metric except ________.
 
  A) a person's weight
  B) income
  C) blood pressure
  D) flipping a coin
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carojassy25

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

Find x0 such that P(X  x0 ) = 0.05 = P(Z  z0 ).
Since the area to the left of z0 is smaller than 0.5, z0 must be smaller than zero such
that P(z0 < Z < 0 ) = 0.45, so z0 = -1.645. Thus, x0 = 75 + (-1.645 )(4 ) = 68.42

Answer to Question 2

D


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