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Author Question: According to the NCHS the average height of females in the U.S. is 63.7 inches with a standard ... (Read 94 times)

lbcchick

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on: Jul 24, 2018
According to the NCHS the average height of females in the U.S. is 63.7 inches with a standard deviation of 2.75 inches. A sample of 100 former college women basketball players resulted in a sample mean of 65.8 inches. Is this sample statistic unusual enough to state that it does appear that this group of women is statistically taller than the general female population?
 
Question 2

Given a population that is normally distributed with a
   = 65 and  = 3, the probability of randomly selecting an object greater than 68 is:
  1.0.5000
  2.0.6827
  3.0.8413
  4.0.1587


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perkiness

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

1

Answer to Question 2

4


lbcchick

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Reply 2 on: Jul 24, 2018
Excellent

amandalm

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Reply 3 on: Yesterday
Wow, this really help

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