Home
Class 12
MATHS
Two cards are drawn simultaneously (or s...

Two cards are drawn simultaneously (or successively without replacement) from a well shuffled pack of 52 cards. Find the mean and variance of the number of red cards.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • EXAM REVISION SERIES

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise All Questions|19 Videos

Similar Questions

Explore conceptually related problems

Two cards are drawn simultaneously (or successively without replacement) from a well shuffled pack of 52 cards. Find the mean, variance and standard deviation of the number of kings.

Two cards are drawn simultaneously (without replacement) from a well-shuffled pack of 52 cards. Find the mean and variance of the number of red cards.

Two cards are drawn successively with replacement from a well shuffled deck of 52 cards. Find the mean and standard deviation of the number of aces.

Two cards are drawn successively with replacement from a well shuffled pack of 52 cards. Find the probability distribution of the number of aces.

Two cards are drawn successively without replacement from a well shuffled pack of 52cards. Find the probability distribution of the number of aces.

Two cards are drawn successively without replacement from a well shuffled deck of cards . Find the mean and standard variation of the random variable X , where X is the number of aces .

Two cards are drawn successively with replacement from a well shuffled deck of 52 cards, then the meanof the number of aces is

Two cards are drawn successively with replacement from a well-shuffled pack of 52 cards. Find the probability distribution of the number of kings.

Two cards are drawn successively with replacement from a well-shuffled deck of 52 cards . The mean of number of Aces is

Three cards are drawn successively with replacement from a well shuffled pack of 52 cards. Find the probability distribute of the number of spades. Hence, find the mean of the distribution.

XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. If y="sin"(logx), then prove that (x^2d^2y)/(dx^2)+x(dy)/(dx)+y=0

    Text Solution

    |

  2. Find the value of k , for which f(x)={(sqrt(1+k x)-\ sqrt(1-k x))/(x)...

    Text Solution

    |

  3. Two cards are drawn simultaneously (or successively without replace...

    Text Solution

    |

  4. One kind of cake requires 200 g of flour and 25 g of fat, and anoth...

    Text Solution

    |

  5. If vec a ,\ vec b ,\ vec c are three vectors such that vec a. v...

    Text Solution

    |

  6. The probability that A hits a target is 1/3 and the probability tha...

    Text Solution

    |

  7. Solve the following system of equations by matrix method. 3x-2y + 3z=...

    Text Solution

    |

  8. Show that the lines (x+3)/(-3)=y-1/1=(z-5)/5;(x+1)/(-1)=(y-2)/2=(z-5)/...

    Text Solution

    |

  9. Using integration, find the area of the region: {(x , y):9x^2+y^2l...

    Text Solution

    |

  10. Consider the binary operations ** \: R\ xx\ R -> R and o\ : R\ xx\ R ...

    Text Solution

    |

  11. Evaluate: intx^2\ cos^(-1)\ x\ dx

    Text Solution

    |

  12. Evaluate : int1/(x+xlogx)\ dx

    Text Solution

    |

  13. Find the area of the greatest rectangle that can be inscribed in an...

    Text Solution

    |

  14. If the binary operation **, defined on Q, is defined as a**b=2a+b-a ...

    Text Solution

    |

  15. Find the value of the following: tan [1/2[sin^(-1) ((2x)/(1+x^2))+cos...

    Text Solution

    |

  16. Evaluate : int0^1 1/(sqrt(2x+3))\ dx

    Text Solution

    |

  17. Find a unit vector in the direction of vec a=2 hat i-\ 3 hat j+6 hat ...

    Text Solution

    |

  18. If [[y+2x,5],[-x,3]]=[[7, 5],[-2 ,3]], find the value of y

    Text Solution

    |

  19. Find the position vector of a point R which divides the line joinin...

    Text Solution

    |

  20. Find the Cartesian equation of the plane passing through the points...

    Text Solution

    |