Thursday
September 18, 2014

Posts by chinthaka


Total # Posts: 2

science
Two machines A and B produce respectively 60% and 40% of the total number of items of a factory. The percentages of defective output for A and B are 3% and 2% respectively. Suppose an item is selected at random, and is found to be defective. The probability that the item was ...
July 23, 2012

science
A pair of fair dice is tossed once. If the sum of the two numbers is greater than 9, the probability that one of the numbers is a 6 =
July 17, 2012

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