Ashely has 4 gray and 7 white balls. She randomly picks two find probability and odds of?

Question:1) 2 gray balls
2) 1 of each

Answers:
assuming you are doing selection without replacement

probabilities
1) 4/11 * 3/10 = 0.109
2) 4/11 * 7/10 + 7/11 * 4/10 = 2 * 4/11 * 7/10 = .509

odds are (1/p - 1) : 1 where p is probability of success

1) 8.16666666 to 1
2) 0.9642 to 1
Ashley should consult a doctor. She should not have any balls let alone gray balls.
The probability and is greater to pick a white ball.

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