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A purse contains 4 copper and 3 silver c...

A purse contains 4 copper and 3 silver coins while another purse contains 6 copper and 2 silver coins. A purse is drawn at random and coin is drawn. Then ....... is the probability that selected coin is of copper.

A

`(3)/(7)`

B

`(4)/(7)`

C

`(3)/(4)`

D

`(37)/(56)`

Text Solution

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The correct Answer is:
D
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
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  2. A man is known to speak truth 3 out of 4 times. He throws a die and r...

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  4. In the box there are a white and b black balls. Two persons A and B ta...

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  13. Probability distribution of random variable X is as follows : The...

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  17. The probability distribution of a random variable X is given below : ...

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  18. Mean of the following probability distribution is …………

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  19. A fair dice is rolled 6 times. If "getting an even number" is a succes...

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