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Author Question: With probability 0.20, the number of successes is greater than how many? What will be an ideal ... (Read 161 times)

cagreen833

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on: Jun 24, 2018
With probability 0.20, the number of successes is greater than how many?
 
  What will be an ideal response?

Question 2

It is known that for the normal distribution, the population kurtosis is 3.0.
 
  Indicate whether the statement is true or false


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ttt030911

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

P(X > a  n = 1800, P = 0.40 )  P(X > a   = 720,  = 20.785 ) = 0.20
 PZ > (a  720 ) / 20.875 = 0.20
 (a  720 ) / 20.875 = 0.84
 a = 737.54 or 734

Answer to Question 2

TRUE


cagreen833

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Reply 2 on: Jun 24, 2018
Excellent

nyrave

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Reply 3 on: Yesterday
Wow, this really help

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