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

Question

Quizplus · Accepted Answer

There are five cards, and only one has a picture. Without ESP, the guess is random, so the probability is 1 out of 5, or 0.20.

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