A bag contains 4 red and 4 black balls, ...

A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One of the two bags is selected at random and a ball is drawn from the bag which is found to be red. Find the probability that the ball is drawn from the first bag.

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE

Two events A and B are said to be independent if
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A bag contains 4 red and 4 black balls, another bag contains 2 red and...
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In answering a question in a multiple choice test a student either kno...
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A laboratory blood test is 99% effective in detecting a certain diseas...
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There see three coins,one is a two headed coin (having head on both th...
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An insurance company insured 2000 scooter drivers, 4000 car drivers an...
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A factory has two machines A and B. Past record shows that machine A p...
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Two groups are competing for the position on the Board of directors of...
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Suppose a girl throws a die. If she gets a 5 or 6, she tosses a coin t...
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A manufacturer has three machine operators A, B and C. The first opera...
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A card from a pack of 52 cards is lost. From the remaining cards of th...
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Probability that A speaks truth is 4/5. A coin is tossed. A reports t...
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If A and B are two events such that AsubB and P(B) ne 0, then which of...
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State which of the following are not the probability distribution of a...
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State which of the following are not the probability distribution of a...
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State which of the following are not the probability distribution of a...
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State which of the following are not the probability distribution of a...
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An urn contains 5 red and 5 black balls. Two balls are randomly select...
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