Solution of problem N1558 Laplace probability theory

Solution of problem N1558 Laplace probability theory

1558. A check of the quality of the watches manufactured at the plant established that 2% needs additional adjustment. The receiver checks the quality of 300 manufactured watches. If, among them, 11 or more hours are found, requiring additional adjustment, the whole lot is returned to the plant for processing. Determine the probability that the party will be accepted.

Additional information:

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