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In a 22-item true–false examination, a student guesses on each question.
If 14 correct answers constitute a passing grade, what is the probability the student will pass?
i did c(22,14)* (1/2)^14 * (1/2)^8
If 14 correct answers constitute a passing grade, what is the probability the student will pass?
i did c(22,14)* (1/2)^14 * (1/2)^8