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(Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> In a ten-question true-false exam, find the probability that a student gets a grade of 70 percent or better by guessing. Answer the same question if the test has 30 questions, and if the test has 50 questions.") |
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In a ten-question true-false exam, find the probability that a student gets a grade of 70 percent or better by guessing. Answer the same question | |||
a student gets a grade of 70 percent or better by guessing. Answer the same question | |||
if the test has 30 questions, and if the test has 50 questions. | if the test has 30 questions, and if the test has 50 questions. | ||
Latest revision as of 23:02, 12 June 2024
In a ten-question true-false exam, find the probability that a student gets a grade of 70 percent or better by guessing. Answer the same question if the test has 30 questions, and if the test has 50 questions.