A box contains red and blue balls only. If there are 8 balls in total, how many red balls are in the box?
(1) If two balls are randomly selected without replacement, the probability that both balls are red is $$\frac{5}{14}$$
(2) If two balls are randomly selected without replacement, the probability is $$\frac{15}{56}$$ that the first ball is red and the second ball is blue.
-
AStatement 1 ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient.
-
BStatement 2 ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient.
-
CBOTH statements 1 and 2 TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient.
-
DEach statement ALONE is sufficient to answer the question.
-
EStatement 1 and 2 TOGETHER are NOT sufficient to answer the question.
Previous
显示答案
正确答案: A