Friday
September 19, 2014

Homework Help: Math

Posted by Anshu on Tuesday, August 27, 2013 at 4:26am.

Approximately 15% of the students in ST130
obtain A grade. If 3 students are selected at
random, find the probability that
a)all of them obtain A grade in ST130.
b)Exactly 2 obtain A grade in ST130.
c)at least one obtain A grade in ST130

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