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A​ true/false test has 30 questions. A passing grade is ​78% or more correct answers. a. What is the probability that a person will guess correctly on one​ true/false question?
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A​ true/false test has 30 questions. A passing grade is ​78% or more correct answers.

a. What is the probability that a person will guess correctly on one​ true/false question?

User T Graham
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Answer:

50%

Explanation:

one question has 2 possible answers and 1/2 is 50%

User Steephen
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