Solution of problem N826 Laplace probability theory

Solution of problem N826 Laplace probability theory

826. The probability that the desire, conceived for the New Year, will come true is 0.7. Find the probability that of the 200 wishes that have been made will come true: a) exactly 140; b) from 120 to 150.

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%