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3 years ago

11

PLEASE HELP HELP HELP HELP HELP HELP

1 answer:

RideAnS [48]3 years ago

7 0

$|\Omega|=12\cdot11\cdot10=1320\\|A|=9\cdot8\cdot7=504\\\\P(A)=\dfrac{504}{1320}=\dfrac{21}{55}\approx38.2\%$

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I'm going to use elimination.

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3 years ago