document.write( "Question 906288: a multiple choice question has 15 questions, each with 4 possible answers of which only 1 is the correcr answer. What is the porbability that a students gets atleast 1 correct answer? \n" ); document.write( "
Algebra.Com's Answer #549699 by ewatrrr(24785)\"\" \"About 
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p(correct) = .25
\n" ); document.write( "P(at least one) = 1 -P(none) = 1 - .75^15
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