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04 Apr 2010, 05:46
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Five actresses A, B, C, D & E are vying for three leading roles in a new film. Assuming that no actress has any advantage in getting any role what is the probability that A & E will star in the film together?
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04 Apr 2010, 05:56
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I'm pretty weak in combinatorics but I did it like this:
Total number of outcomes: 5C3
Number of 'desired' outcomes (so those 2 actresses are chosen): 3C1
Probability = 3C1/5C3 = 3/10
Total number of outcomes: 5C3
Number of 'desired' outcomes (so those 2 actresses are chosen): 3C1
Probability = 3C1/5C3 = 3/10
04 Apr 2010, 06:03
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Number of 'desired' outcomes (so those 2 actresses are chosen): 3C1
Nickk, could you please explain this statement?
Nickk, could you please explain this statement?
