Solution of problem N1472 Laplace probability theory

Solution of problem N1472 Laplace probability theory

1472. On the basis of stored 760 units. products. The probability that it will not deteriorate is 0.65. Find the probability that:
a) Will not spoil 495 units. products;
b) the number of spoiled items will be less than 282;
c) the relative frequency of the event, consisting in the fact that the product does not deteriorate, deviates from its probability in absolute value by no more than 0.01.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)