Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Probability problem?

It's been awhile since I've done one of these:

30 marbles in a bag, 2 of which are black. Remove 11 without replacement, what is the probability none are black?

1 Answer

Relevance
  • 6 years ago

    (2C0) (28C11) / (30C11)=.3931.

Still have questions? Get your answers by asking now.