What is the lower confidence limit of the 98 confidence interval ...

[nautica902]

What is the lower confidence limit of the 98 confidence interval for the difference in population proportions?
 
  A) -0.125
  B) 0.135
  C) -0.147
  D) 0.147

Question 2

If X is a normal random variable with mean  = 4 and standard deviation  = 2, and Y is a normal random variable with mean  = 10 and standard deviation  = 5, then the probabilities P(X < 0 ) and P(Y < 0 ) are equal.
 
  Indicate whether the statement is true or false

[djofnc]

Answer to Question 1

C

Answer to Question 2

TRUE

[nautica902]

TYSM

[cam1229]

Gracias!