What proportion of a normal distribution is located between the mean and z = 1.40?

What proportion of a normal distribution is located between the mean and z = 1.40?
 
  A) 0.9192
  B) 0.0808
  C) 0.4192
  D) 0.8384

Question 2

If a two-factor analysis of variance produces a statistically significant interaction between the two factors A and B, then what can you conclude about the main effects for A and B?
 
  A) Either the main effect for factor A or the main effect for factor B is also significant.
  B) Both the main effect for factor A and the main effect for factor B are significant.
  C) Neither the main effect for factor A nor the main effect for factor B is significant.
  D) The significance of the main effects is not related to the significance of the interaction.

Question 3

What proportion of a normal distribution is located in the tail beyond z = -1.00?
 
  A) 0.8413
  B) 0.1587
  C) -0.3413
  D) -0.1587