Thread:Monkey D. Luffy;Gomu Gomu No Mi/@comment-25768713-20150804195623

There are 9 9     students in a class: 6 6      boys and 3 <span aria-hidden="true" class="katex-html" style="font-family:inherit;font-size:inherit;font-variant:inherit;font-stretch:inherit;line-height:inherit;display:inline-block;"><span class="base textstyle uncramped" style="font-family:inherit;font-size:inherit;font-variant:inherit;font-stretch:inherit;line-height:inherit;display:inline-block;"><span class="mord" style="font-family:inherit;font-size:inherit;font-variant:inherit;font-stretch:inherit;line-height:inherit;">3      girls.

<p class="question" style="margin-top:22px;margin-bottom:22px;font-family:'ProximaNova',sans-serif;font-size:14px;font-weight:bold;font-stretch:inherit;line-height:19.6000003814697px;color:rgb(68,68,68);">If the teacher picks a group of <span class="katex-holder" style="font-family:inherit;font-size:inherit;font-variant:inherit;font-stretch:inherit;line-height:inherit;"><span class="katex" style="font-family:KaTeX_Main;font-size:1.21em;font-stretch:normal;line-height:1.2;white-space:nowrap;"><span class="katex-mathml" style="font-family:inherit;font-size:inherit;font-variant:inherit;font-stretch:inherit;line-height:inherit;position:absolute;clip:rect(1px1px1px1px);height:1px;width:1px;overflow:hidden;">5 <span aria-hidden="true" class="katex-html" style="font-family:inherit;font-size:inherit;font-variant:inherit;font-stretch:inherit;line-height:inherit;display:inline-block;"><span class="base textstyle uncramped" style="font-family:inherit;font-size:inherit;font-variant:inherit;font-stretch:inherit;line-height:inherit;display:inline-block;"><span class="mord" style="font-family:inherit;font-size:inherit;font-variant:inherit;font-stretch:inherit;line-height:inherit;">5     at random, what is the probability that everyone in the group is a boy? <ac_metadata title="Question"> </ac_metadata>