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Author Question: The systolic blood pressure of 18-year-old women has a bell-shaped distribution with a mean of 120 ... (Read 81 times)

ghost!

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on: Aug 1, 2018
The systolic blood pressure of 18-year-old women has a bell-shaped distribution with a mean of 120 mmHg and a standard deviation of 12 mmHg. What percentage of 18-year-old women have a systolic blood pressure between 96 mmHg and 144 mmHg?
 
  A) 99.7 B) 68 C) 95

Question 2

Choosing 5 marbles from a box of 40 marbles (20 purple, 12 red, and 8 green) one at a time with replacement, keeping track of the colors of the marbles chosen.
 
  A) Not binomial: the trials are not independent.
  B) Not binomial: the probability p does not remain fixed on each trial.
  C) Procedure results in a binomial distribution.
  D) Not binomial: there are more than two outcomes for each trial.


dudman123

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

C

Answer to Question 2

D


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ghost!

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Reply #2 on: Aug 1, 2018
Thanks


dudman123

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Reply #3 on: Aug 1, 2018
Welcome :)


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