document.write( "Question 1195647: A jar contains 12 red marbles numbered 1 to 12, 4 blue marbles numbered 1 to 4, and 10 white marbles numbered 1 to 10.
\n" ); document.write( "A marble is drawn at random from the jar. Find the probability of the given event.
\n" ); document.write( "Write your answers as integers or reduced fractions.\r
\n" ); document.write( "\n" ); document.write( "(a) The marble is red.
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\n" ); document.write( "(b) The marble is not red.
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\n" ); document.write( "(c) The marble has the number 2 written on it.
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\n" ); document.write( "(d) The marble is blue with the number 1 written on it.
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\n" ); document.write( "(e) The marble has the number 15 written on it. \n" ); document.write( "

Algebra.Com's Answer #828157 by ikleyn(52835) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "A jar contains 12 red marbles numbered 1 to 12, 4 blue marbles numbered 1 to 4, and 10 white marbles numbered 1 to 10.
\n" ); document.write( "A marble is drawn at random from the jar. Find the probability of the given event.
\n" ); document.write( "Write your answers as integers or reduced fractions.\r
\n" ); document.write( "\n" ); document.write( "(a) The marble is red.
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\n" ); document.write( "(b) The marble is not red.
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\n" ); document.write( "(c) The marble has the number 2 written on it.
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\n" ); document.write( "(d) The marble is blue with the number 1 written on it.
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\n" ); document.write( "(e) The marble has the number 15 written on it.
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\n" ); document.write( "\n" ); document.write( " The post by @Theo has an error, so his answers are incorrect.\r
\n" ); document.write( "\n" ); document.write( " I came to bring a correct solution.\r
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\n" ); document.write( "\n" ); document.write( "The total number of marbles is 12 + 4 + 10 = 26.\r
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document.write( "(a)  Of the total of 26 marbles, 12 are red.\r\n" );
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document.write( "     So, the probability to get randomly a red marble is   = .     ANSWER\r\n" );
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document.write( "(b)  The probability that the marble is not red is the complement to (a), i.e.\r\n" );
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document.write( "     1 -  = .    ANSWER\r\n" );
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document.write( "(c)  There are 3 marbles of 26, having a \"2\" written on it,\r\n" );
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document.write( "     so the probability to get such marble is  .    ANSWER\r\n" );
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document.write( "(d)  Of the total 26 marbles, there is only one, which is blue with the number \"1\" written on it, so the answer is  .\r\n" );
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document.write( "(e)  There is no marble with \"15\" written on it, so the probability is 0 (zero).\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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