Solution of problem N688 Laplace probability theory

Solution of problem N688 Laplace probability theory

688. The probability of occurrence of an event in each of the identical and independent trials is 0.8. Find the probability that in 225 trials the event will come at least 70 and not more than 85 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%