Solution of problem N4382 probability theory

Solution of problem N4382 probability theory

4382. From the bag, in which there are 5 white and 10 black billiard balls, first one and then another ball is taken out at random. What is the probability that both balls will turn out to be white?

Additional information:

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

Discount for regular customers! If the total of your purchases from the seller Massimo86 exceeds:

• $30 discount 10%
• $20 discount 7%
• $18 discount 6%
• $15 discount 5%
• $12 discount 4%
• $9 discount 3%
• $6 discount 2%
• $3 discount 1%