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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?<…

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?

asked
User T Graham
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8.3k points

1 Answer

0 votes

Answer:

50%

Explanation:

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

answered
User Steephen
by
8.4k points
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