Under what circumstance is it NOT to your advantage to guess on a ...

[Evvie72]

Under what circumstance is it NOT to your advantage to guess on a multiple-choice exam?
 
  a. when you are making a wild guess and a correction formula is being used
  b. in any test situation where you are making a wild guess
  c. when you can rule out one or more of the alternatives as being incorrect
  d. when the guessing threshold is low

Question 2

If one can depend upon the results of a particular test to be consistently accurate, the test can be said to be
 
  a. valid.
 b. structured.
 c. unambiguous
  d. reliable.

[Ksh22]

Answer to Question 1

a

Answer to Question 2

d

[Evvie72]

Excellent

[meow1234]

Gracias!