document.write( "Question 418405: please help me solve this question on probability and statistics. Thank you...There is a jar containing 10 balls. The balls are marked with integers from 1 through 10. A ball is randomly withdrawn (with replacement) 10 times (x1, x2,..x10)from the jar and the number marked on it noted down. What is the probability that out of the 10 numbers noted down, the integer, 1, appears twice but not near each other, for example, (x, 1, x, x, 1, x, x, x, x, x) or (1, x, x, x, x, x, x, x, x, 1) or (x, x, 1, x, 1, x, x, x, x, x)...and so on. \n" ); document.write( "
Algebra.Com's Answer #292790 by sudhanshu_kmr(1152)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "total no. of ways to withdrawn ball 10 times = 10*10..10times = 10^10\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "total no. of ways to put two 1's but not near = 36\r
\n" ); document.write( "\n" ); document.write( "no. of ways to withdrawn ball 10 times when two 1's appear but not near \r
\n" ); document.write( "\n" ); document.write( "= 36 * 9^8 \r
\n" ); document.write( "\n" ); document.write( "(on another 8 places, any one of 2-10 can appear i.e except 1)\r
\n" ); document.write( "\n" ); document.write( "probability = (36 * 9^8) / (10^10) \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "if any problem please contact..
\n" ); document.write( " \n" ); document.write( "
\n" );