A jar contains 4 red balls and 6 blue balls. If three balls are drawn in...
A jar contains 4 red balls and 6 blue balls. If three balls are drawn in sequence from the jar, what is the probability that two are red and one is blue?
Homework Answers
number of ways to draw 3 balls from 10 balls =10C3 =120
number of ways to draw 2 red and 1 blue ball=4C2*6C1 =6*6=36
hence probability that two are red and one is blue =36/120=3/10=0.3
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