Yokka Stars

Solution of problem N4587 probability theory

Solution of problem N4587 probability theory

Seller: Massimo86

Price: 0.20 USD

Available. The final price depends on the selected options and is checked before payment.

Product description

  • The urn contains 5 white, 20 red and 10 black balls, not differing in size. The balls are mixed thoroughly and then 1 ball is taken out at random. What is the likelihood that the ball drawn will be white or black?

Additional information

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)