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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. | 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. | ||
<ul class="mw-excansopts"> | |||
<li>0.90</li> | |||
<li>0.92</li> | |||
<li>0.94</li> | |||
<li>0.96</li> | |||
<li>0.98</li> | |||
</ul> | |||
'''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}} | ||
Latest revision as of 00:43, 27 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.
- 0.90
- 0.92
- 0.94
- 0.96
- 0.98
References
Doyle, Peter G. (2006). "Grinstead and Snell's Introduction to Probability" (PDF). Retrieved June 6, 2024.