Billy takes a 30-item multiple-choice test under correction for guessing directions. He attains 20 items right, 4 wrong, and omits 6 . If each item had four options, what is Billy's adjusted score?
a. 18.66
b. 19.00
c. 21.00
d. 21.50
e. 26.00
Question 2
Does applying a correction for guessing formula to a response-choice test affect the scores of students who are unlucky guessers?
a. Yes
b. No