document.write( "Question 1158799: based on past data, 90% of students in Smartville have a sibling, 25% have a pet, and 10% have both. find the probability that a randomly selected student will have a sibling, given that they have a pet. \n" ); document.write( "

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\n" ); document.write( "based on past data, 90% of students in Smartville have a sibling, 25% have a pet, and 10% have both.
\n" ); document.write( "Find the probability that a randomly selected student will have a sibling, given that they have a pet.
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document.write( "This problem is on conditional probability.\r\n" );
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document.write( "They want you find the probability that a randomly selected student has both a sibling and a pet,\r\n" );
document.write( "given that the student has a pet.\r\n" );
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document.write( "So, the conditional probability  is  P =  = 0.1111...   ANSWER\r\n" );
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