document.write( "Question 1190786: The probability that a typist will make at most 5 mistakes when typing a report is 0.59 and the probability that she will make 6 to 10 mistakes is 0.26. Find the probability that the typist will make at most 10 mistakes. \n" ); document.write( "

Algebra.Com's Answer #822534 by ikleyn(52908) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "The probability that a typist will make at most 5 mistakes when typing a report is 0.59
\n" ); document.write( "and the probability that she will make 6 to 10 mistakes is 0.26.
\n" ); document.write( "Find the probability that the typist will make at most 10 mistakes.
\n" ); document.write( "~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "The event making at most 10 mistakes is the UNION of two disjoint events:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    1)  making at most 5 mistakes, which has the probability of  0.59  (given),\r\n" );
document.write( "\r\n" );
document.write( "and\r\n" );
document.write( "\r\n" );
document.write( "    2) making 6 to 10 mistakes, which has the probability of 0.26  (given).\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "THEREFORE, the answer to the problem's question is the sum of probabilities\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    P = 0.59 + 0.26 = 0.85.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Very nice joke problem.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );