document.write( "Question 1192033: A bag contains 25 chips numbered 1 to 25. If a chip is drawn randomly from the bag, what is the probability that it is 7 or 15? \n" ); document.write( "
Algebra.Com's Answer #823927 by math_tutor2020(3817)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Answer: 2/25 = 0.08 = 8%\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Reason: \n" ); document.write( "There are two chips we're after (a \"7\" or a \"15\") out of 25 total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You could think of it like this \n" ); document.write( "P(getting \"7\") = 1/25 \n" ); document.write( "P(getting \"15\") = 1/25 \n" ); document.write( "P(getting \"7\" or \"15\") = P(getting \"7\") + P(getting \"15\") \n" ); document.write( "P(getting \"7\" or \"15\") = 1/25 + 1/25 \n" ); document.write( "P(getting \"7\" or \"15\") = 2/25 \n" ); document.write( " \n" ); document.write( " |