Solution of problem N2320 Laplace probability theory

Solution of problem N2320 Laplace probability theory

2320. Plant varietal seeds produces hybrid seeds of corn. It is known that seeds of the 1st grade are 90%. Find: 1) The probability that of the seeds taken at random for testing n = 10000 seeds, the number of seeds of the first grade will be from 8970 to 9045. 2) The most probable number of seeds of the first grade from the n = 10,000 seeds taken for verification.

Additional information:

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