Mathematics, 07.03.2021 18:10, timjape3g3z

A box contains 12 balls of which 5 red, and 7 arw blue, if 4 balls are drawn from the box, in how many ways can this be done of... A. 1 is red and 3 are blue??

B. all are blue??

C. at least 3 are red??

please help!

Answers: 3

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A box contains 12 balls of which 5 red, and 7 arw blue, if 4 balls are drawn from the box, in how many ways can this be done of... A. 1 is red and 3 are blue??B. all are blue??C. at least 3 are red??please help!​

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A box contains 12 balls of which 5 red, and 7 arw blue, if 4 balls are drawn from the box, in how many ways can this be done of... A. 1 is red and 3 are blue??

B. all are blue??

C. at least 3 are red??

please help!