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A true-false examination has 48 questions.  June has probability 3/4 of answering a question correctly. April just guesses on each question.  A passing score is 30 or more correct answers.  Compare the probability that June passes the exam with the probability that April passes it.
A true-false examination has 48 questions.  June has probability 3/4 of answering a question correctly. A passing score is 30 or more correct answers.  Determine the probability that June passes the exam.


'''References'''
'''References'''


{{cite web |url=https://math.dartmouth.edu/~prob/prob/prob.pdf |title=Grinstead and Snell’s Introduction to Probability |last=Doyle |first=Peter G.|date=2006 |access-date=June 6, 2024}}
{{cite web |url=https://math.dartmouth.edu/~prob/prob/prob.pdf |title=Grinstead and Snell’s Introduction to Probability |last=Doyle |first=Peter G.|date=2006 |access-date=June 6, 2024}}

Revision as of 23:37, 26 June 2024

A true-false examination has 48 questions. June has probability 3/4 of answering a question correctly. A passing score is 30 or more correct answers. Determine the probability that June passes the exam.

References

Doyle, Peter G. (2006). "Grinstead and Snell's Introduction to Probability" (PDF). Retrieved June 6, 2024.