321. When examining the statutory funds of banks, it is established that one-fifth of banks have a statutory fund in excess of 100 million rubles. Find the probability that among 1800 banks have a statutory fund of more than 100 million rubles:
A) no less than 300;
B) from 300 to 400 inclusive.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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