Solution of problem N2798 probability theory

Solution of problem N2798 probability theory

2798. Of the 20 savings banks, 10 are located outside the city limits. For the audit, randomly selected 5 savings banks. What is the probability that only 2 of them will be in the city?

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%