document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=854516>Question 854516</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A number is chosen at random from 1 to 25. Find the probability of selecting a prime number.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #514733 by </B><A HREF=/tutors/aboutme.mpl?userid=DrBeeee><B>DrBeeee(684)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=DrBeeee><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=514733\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given the set of 25 integers, {1..25}, there is a set of nine prime numbers {2,3,5,7,11,13,17,19,23}.<BR>\n" );
document.write( "The probability of an event occurring is the number of favorable events that can occur divided by the total number of possible events. <BR>\n" );
document.write( "In this case we want the probability of selecting a prime number from a set of twenty five integers. Therefore we have<BR>\n" );
document.write( "(1) P(selecting a prime number) = (Number of prime numbers)/(all possible numbers that can be selected) or<BR>\n" );
document.write( "(2) P(prime) = 9/25<BR>\n" );
document.write( "Answer: The probability of selecting a prime number from the integers 1 through 25 is 9/25.<BR>\n" );
document.write( "Note: one is NOT a prime number. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );