document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=857278>Question 857278</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a student takes an exam containing 10 multiple choice questions. The probability of choosing a correct answer by knowledgeable guessing is 0.2 At least 6 correct answers are required to pass. If a student makes knowledgeable guesses, what is the probability that he will fail? </SPAN>\n" );
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document.write( "Hi,<BR>\n" );
document.write( "p(guessing correctly) = .2,  n = 10<BR>\n" );
document.write( "P(x < 6) = 1 -  binomcdf(10, .2, 5) = .9672     |TI syntax is 1 – binomcdf(n, p, largest x-value) </SPAN>\n" );
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