With probability 0.20, the number of successes is greater than ...

[cagreen833]

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

[ttt030911]

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]

YES! Correct, THANKS for helping me on my review

[Animal_Goddess]

Great answer, keep it coming