SOLUTION: In a certain college, 18% of the physics majors belong to ethnic minorities. If 11 students are selected at random from the physics majors, what is the probability that exactly 3 b

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Question 1135734: In a certain college, 18% of the physics majors belong to ethnic minorities. If 11 students are selected at random from the physics majors, what is the probability that exactly 3 belong to an ethnic minority? Round to three decimal places.

Answer by VFBundy(438) About Me  (Show Source):
You can put this solution on YOUR website!
%280.18%29%5E3+%2A+%281+-+0.18%29%5E8+%2A+11C3

=%280.18%29%5E3+%2A+%280.82%29%5E8+%2A+%2811%21%2F%283%21%2A%2811-3%29%21%29%29

=%280.18%29%5E3+%2A+%280.82%29%5E8+%2A+165

= 0.005832 * 0.204414 * 165

= 0.197