If Z is a standard normal random variable, the area between Z = ...

[fahad]

If Z is a standard normal random variable, the area between Z = 0.0 and Z =1.20 is 0.3849, while the area between Z = 0.0 and Z = 1.40 is 0.4192. What is the area between Z = -1.20 and Z = 1.40?
 
  A) 0.8041
  B) 0.0808
  C) 0.1151
  D) 0.0343

Question 2

If events A and B are statistically independent, then the probability of their intersection is equal to the probability of event A multiplied by the probability of event B.
 
  Indicate whether the statement is true or false

[Harbringer]

Answer to Question 1

A

Answer to Question 2

TRUE

[fahad]

Gracias!

[carlsona147]

Excellent