Diffusion of components between the phases at equilibrium is

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#Question id: 14495

#Section 1: Engineering Mathematics

A bag contains 5 white and 3 black balls. Two balls are drawn at random one after the other without replacement. The probability that both the balls drawn are black is

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#Question id: 14496

#Section 1: Engineering Mathematics

4 coins are tossed. Then the probability that at least one head turns up is

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#Question id: 14497

#Section 1: Engineering Mathematics

In a throw of 3 dice the probability that at least one die shows up 1 is

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#Question id: 14498

#Section 1: Engineering Mathematics

Match the following :

   

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#Question id: 14499

#Section 1: Engineering Mathematics

Three machines A, B and C produce respectively 60%, 30% and 10% of the total number of items of a factory. The percentages of defective output of these machines are respectively 2%, 3% and 4%. An item is selected at random and found defective. Find the probability that the item was produced by machine C.

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#Question id: 14500

#Section 1: Engineering Mathematics

A fair die is tossed 180 times. The expected number of sixes is