Solution of problem N4621 Poisson probability theory

Solution of problem N4621 Poisson probability theory

4621. The probability of defective parts is 0.0005. Find the probability that out of 4000 randomly selected parts 5 will be defective.

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%