Question 1172481
In a certain federal prison, it is known that 2/3 of the inmates are under 25 years of age. It is also known that 3/5 of the inmates are male and that 6/8 of the inmates are female or 25 years of age or older.
<pre><font face = "consolas" color = "indigo" size = 4><b>
Hi  
	< 25	>=25	Total	
Male			{{{highlight_green(3/5)}}}	
Female			2/5	
Total	{{{highlight_green(2/3)}}}	1/3						
What is the probability that a prisoner selected at random from this prison is female and at least 25 years old?
P = {{{highlight_green( (2/5)(1/3)= 2/15)or .1333}}}

<U>Following an ex of inmate population of 1200<U>
	< 25	>=25	Total	
Male	480	240	720	
Female	320	160	480	
Total	800	400   1200
 160/1200 = 2/15