document.write( "Question 1155743: A quick quiz consists of 5 multiple choice problems, each of which has 5 answers, only one of which is correct. You make random guesses on all 5 problems.\r
\n" ); document.write( "\n" ); document.write( "(a) How many different ways can you answer the quiz?\r
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\n" ); document.write( "\n" ); document.write( "(c) What is the probability that at least one of your 5 answers is incorrect?\r
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Algebra.Com's Answer #778380 by Boreal(15235)\"\" \"About 
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5 ways for the first*5*5*5*5=3125 ways to answer
\n" ); document.write( "what is the probability all are correct?
\n" ); document.write( "That is 0.2^5
\n" ); document.write( "=0.00032
\n" ); document.write( "The probability at least one is incorrect is 1-0.00032=0.99968
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