Home
Class 12
MATHS
A fair coin is tossed repeatedly until t...

A fair coin is tossed repeatedly until two consecutive heads are obtained. If the probability that 2 consecutive heads occur on fourth and fifth toss is p, then `(30)/(p)` is equal to

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP ENGLISH|Exercise All Questions|15 Videos

  • MATRICES

    RESONANCE DPP ENGLISH|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

A fair coin is tossed 9 times the probability that at least 5 consecutive heads occurs is

A coin is tossed 15 times, then find the probability that exactly 9 consecutive heads appears, is

A fair coin is tossed repeatedly. If tail appears on first four tosses, then find the probability of head appearing on fifth toss.

A fair coin is tossed repeatedly. If tail appears on first four tosses, then find the probability of head appearing on fifth toss.

A fair coin is tossed repeatedly. If tail appears on first four tosses, then find the probability of head appearing on fifth toss.

A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses required. The probability that X=3 equals

A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses rerquired. The probability that ge3 equals

A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses rerquired. The probability that ge3 equals

A fair coin is tossed until one of the two sides occurs twice in a row. The probability that the number of tosses required is even is

Two coins are tossed five times. The probability that an odd number of heads are obtained, is

RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. The general solution of the differential equation (d^2y)/dx^2=e^(-3x) ...

    Text Solution

    |

  2. If U = {1,2,3,4,5,6,7,8,9,10}, A = {1,2,3,5}, B = 2,4,6,7} and C = {2,...

    Text Solution

    |

  3. A fair coin is tossed repeatedly until two consecutive heads are obtai...

    Text Solution

    |

  4. If 0 < x < pi/2 ,intsqrt(1+secx)dx=2sin^(-1)(asin^(-1)(x/b))+C , wher...

    Text Solution

    |

  5. If U = {1,2,3,4,5,6,7,8,9,10}, A = {1,2,3,5}, B = 2,4,6,7} and C = {2,...

    Text Solution

    |

  6. If f(x) is a differentiable function satisfying f^(')(x)lt2 for all xe...

    Text Solution

    |

  7. Let set A = { 1, 2, 3, ….., 22} . Set B is a subset of A and B has...

    Text Solution

    |

  8. If U = {1,2,3,4,5,6,7,8,9,10}, A = {1,2,3,5}, B = 2,4,6,7} and C = {2,...

    Text Solution

    |

  9. The number of arrangements of the word " IDIOTS " such that vowels are...

    Text Solution

    |

  10. With usual notations, in triangle A B C ,acos(B-C)+bcos(C-A)+c"cos"(A-...

    Text Solution

    |

  11. Let A={1,2,3,4} and R be a relation in given by R= (1,1), (2, 2), (3...

    Text Solution

    |

  12. X={1,2,3,4, . ..2017} and A sub X, B sub X, A cup B sub X here P subQ ...

    Text Solution

    |

  13. The term independent of a in the expansion of (1+sqrt(a)+1/(sqrt(a)-1)...

    Text Solution

    |

  14. Let P be the point (3, 2). Let Q be the reflection of P about the x-ax...

    Text Solution

    |

  15. If cos(x-y),cosx and "cos"(x+y) are in H.P., then cosxsec(y/2) is

    Text Solution

    |

  16. If A is a diagonal matrix of non-positive entries and order 3 such tha...

    Text Solution

    |

  17. Suppose that vec p,vecqand vecr are three non- coplaner in R^(3) ,Let...

    Text Solution

    |

  18. Let vec V1=3a x^2 hat i-2(x-1) hat j and vec V2=b(x-1) hat i+x^2 hat...

    Text Solution

    |

  19. The sum 3/(1!+2!+3!)+4/(2!+3!+4!)+....+(2016)/(2014 !+2015 !+2016 !) i...

    Text Solution

    |

  20. If f'(3)=2 , then lim(h->0)(f(3+h^2)-f(3-h^2))/(2h^2) is

    Text Solution

    |