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On a quiz, there are 5 true-false questions. Wiria guesses on all 5 questions. What is the probability that he gets all 5 questions right?

Respuesta :

Since it is a true-false question, there are only 2 possibilities. Either it is true or it is false.

[tex]\text {P(right) = } \dfrac{1}{2} [/tex]

[tex]\text {P(right for all 5 questions) = } (\dfrac{1}{2})^5 = \dfrac{1}{32} [/tex]

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