Solution of problem N1999 Bernoulli probability theory

Solution of problem N1999 Bernoulli probability theory

1999. The probability that the daily gas consumption in the enterprise will not exceed the norm is 0.9. What is the probability that during the week the enterprise will allow gas overexpense three times?

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%