Which of the following will tend to make it more likely to reject ...

[jjjetplane]

Which of the following will tend to make it more likely to reject H0 : 1 = 0?
 
  A) increasing SSE
  B) decreasing the absolute value of b1
  C) increasing the variance of X
  D) decreasing sample size

Question 2

What is the probability that more than three of them will retire this year? Use the Poisson approximation to the binomial.
 
  What will be an ideal response?

[GCabra]

Answer to Question 1

C

Answer to Question 2

n = 200, P = 0.017,  = nP = 3.40.
X = Number of workers who will retire this year.
P(X > 3 ) = 1 - P(X  3 ) = 1 - (0.0334 + 0.1135 + 0.1929 + 0.2186 ) = 0.4416

[jjjetplane]

Gracias!

[vickybb89]

Excellent