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1.A.
What is the probability that cards will both are not blue?
Total number of catds, which are not blue 6. They are randomly drawn from the deck. One card is drawn, 5 not blue cards left.
(6/8)*(5/7)=15/28
2. B.
To find members of sailing club x
200+x-50=400
x=250
250/400=5/8
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