document.write( "Question 1176768: a) If you make random guesses for 15 multiple choice SAT test questions (each with four possible answers). What is the probability of getting at least one correct? If these questions are part of a practice test and an instructor says you must get at least one correct answer before continuing, is there a good chance you will continue \n" ); document.write( "
Algebra.Com's Answer #804260 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi\r\n" );
document.write( " 15 multiple choice SAT test questions (each with four possible answers).\r\n" );
document.write( " p = .25  n = 15\r\n" );
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document.write( "P(at least one) = 1 - P(x=0) = 1-.0134 = .9866\r\n" );
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document.write( "Practice Test: must get at least one correct answer before continuing\r\n" );
document.write( "first Question for example:\r\n" );
document.write( "P(is correct by guessing) = .25\r\n" );
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document.write( "Wish You the Best in your Studies.\r\n" );
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