SOLUTION: the chances that a student passes the promotional examinations at first sitting in physics , chemistry and biology are respectively 0.4,0.5 and 0.1. what is the probability that

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Question 1074026: the chances that a student passes the promotional examinations at first sitting in physics , chemistry and biology are respectively 0.4,0.5 and 0.1. what is the probability that the student fails
a) only one subject
b) at least one subject

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
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