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Author Question: Skewness provides a measure of the weight in the tail, of a probability density function. ... (Read 53 times)

genevieve1028

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on: Jun 24, 2018
Skewness provides a measure of the weight in the tail, of a probability density function.
 
  Indicate whether the statement is true or false

Question 2

Find the probability that the number of successes is between 680 and 750.
 
  What will be an ideal response?


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jennafosdick

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

FALSE

Answer to Question 2

P(680 < X < 750  n = 1800, P = 0.40 )  P(680 < X < 750   = 720,  = 20.785 )
= P(-1.92 < Z < 1.44 )
= 0.4726 + 0.4251 = 0.8977


genevieve1028

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Reply #2 on: Jun 24, 2018
Correct answers!


jennafosdick

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Reply #3 on: Jun 24, 2018
Great! Please up vote :D


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