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Author Question: A pharmaceutical testing company wants to test a new cholesterol drug. The average cholesterol of ... (Read 22 times)

appyboo

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on: Jul 24, 2018
A pharmaceutical testing company wants to test a new cholesterol drug. The average cholesterol of the target population is 200 mg and they have a standard deviation of 25 mg.
 
  The company wished to test a sample of
  people who fall between 1.5 and 3 z-scores above the mean. Into what range must a candidates cholesterol
  level be in order for the candidate to be included in the study?
  A) 237.5 - 275 B) 225 - 237.5 C) 125 - 162.5 D) 162.5 - 275

Question 2

Compare a graph of the normal density function with mean of 0 and standard deviation of 1 with a graph of a normal density function with mean equal to 0 and standard deviation of 0.5. The graphs would
 
  A) Have no horizontal displacement but one would be steeper that the other.
  B) Have no horizontal displacement but one would be flatter than the other.
  C) Have the same height but one would be shifted 4 units to the right.
  D) Have the same height but one would be shifter 4 units to the left.


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wuly

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

A

Answer to Question 2

A


appyboo

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

ryhom

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

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