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May 27, 2015

Homework Help: statistics

Posted by Nabiha on Saturday, December 3, 2011 at 8:17pm.

A sixth form class consists of 6 girls and 9 boys. Three students from the class are chosen at random. The number of boys chosen is denoted by the random variable X. Show that
a)P(X=0)=120/2730
b)P(X=2)=1296/2730

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