We can use the standard normal curve as our model for a. ...

[jwb375]

We can use the standard normal curve as our model for
 
  a. perfectly normal distributions only.
  b. perfectly normal distributions only, when transformed to z-scores.
  c. any approximately normal distribution, when transformed to z-scores.
  d. any approximately normal distribution, when transformed to percentiles.

Question 2

The proportion of the total area under a normal curve between two z-scores corresponds to the ______ of that range of scores.
 
  a. numeric magnitude c. frequency
  b. variability d. relative frequency

[kaykay69]

Answer to Question 1

C

Answer to Question 2

D

[jwb375]

Wow, this really help

[debra928]

Thanks for the timely response, appreciate it