Author Question: With probability 0.20, the number of successes is greater than how many? What will be an ideal ... (Read 163 times)

cagreen833 · **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

ttt030911 · **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