document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=739655>Question 739655</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the English alphabet there are a total of 26 letters, of which 5 of them are vowels. Suppose that 5 letters are randomly typed, find the probability that all of the 5 letters are the same.\r<BR>\n" );
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document.write( "That's what I thought: (1/26)(1/26)(1/26)(1/26)(1/26)  I know it's incorrect because it cannot indicate the five letters are same. Help please! Thank you so much!   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451232 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=451232\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In the English alphabet there are a total of 26 letters, of which 5 of them are vowels. Suppose that 5 letters are randomly typed, find the probability that all of the 5 letters are the same.\r<BR>\n" );
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document.write( "That's what I thought: (1/26)(1/26)(1/26)(1/26)(1/26)<BR>\n" );
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document.write( "The 1st letter is chosen.<BR>\n" );
document.write( "The chance of the 2nd being the same is 1/26<BR>\n" );
document.write( "Same for 3rd, 4th & 5th<BR>\n" );
document.write( "= (1/26)^4<BR>\n" );
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