An Online Psychic (Psi) Ability or Extrasensory Perception (ESP) Test

Multiple Choice

An online psychic (psi) ability or extrasensory perception (ESP) test shows the participant five face-down cards on the screen and asks the participant to "click on the one card that has a picture on the other side." After clicking a card, the test shows you the card to determine if your guess was correct.
-If a person does not have ESP, what is the probability the person's guess is correct?

A) 0.10
B) 0.20
C) 0.50
D) 0.80