Bunuel wrote:
A drawer contains 7 white shirts and 3 red shirts. What is the probability of picking a white shirt, followed by a red shirt if the first shirt is not put back in?
A. 7/10
B. 1/3
C. 7/30
D. 1/6
E. 1/30
total shirts ; 10
so first red then black ; 7/10*3/9 ; 7/30
IMO C
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