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The probability that in a family of 5 me...

The probability that in a family of 5 members, exactly 2 members have birthday on Sunday is -

A

`(12xx5^(3))/(7^(5))`

B

`(10xx6^(2))/(7^(5))`

C

`(2)/(3)`

D

`(10xx6^(3))/(7^(5))`

Text Solution

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The correct Answer is:
D
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 4
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  10. If vectors vecalpha,vecbeta, vecgamma are such that vecalpha+vecbeta+...

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  13. If the probability that a randomly selected bulb produced by a factory...

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  14. If veca=hati+3hatj+hatk, vecb=2hati-hatj-hatk and vec c=m hati+7hatj+...

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  15. The direction cosines of the line which is perpendicular to the lines ...

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  16. The cosine of the angle between the lines vecr=3hati+2hatj-4hatk+lam...

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  17. The coordinates of the point of intersection of the lines vecr=(hati+...

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  18. The value of a for which the lines (x-5)/(5a+2)=(2-y)/(5)=(1-z)/(-1) ...

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