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Author Question: Given that 800 people were aged between 25 and 40, approximately how many had a systolic blood ... (Read 19 times)

ss2343

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on: Jul 25, 2018
Given that 800 people were aged between 25 and 40, approximately how many had a systolic blood pressure reading of 140 or higher?
 
  A) 88 B) 8 C) 11 D) 64

Question 2

According to a college survey, 22 of all students work full time. Find the standard deviation for the random variable X, the number of students who work full time in samples of size 16.
 
  A) 2.75 B) 3.52 C) 1.66 D) 1.88


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carojassy25

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Reply #1 on: Jul 25, 2018
Answer to Question 1

A

Answer to Question 2

C


ss2343

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Reply 2 on: Jul 25, 2018
Gracias!

kilada

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Reply 3 on: Yesterday
Excellent

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