Home
Class 12
MATHS
A fair coin is tossed 99 times. Let X be...

A fair coin is tossed 99 times. Let X be the number of times heads occurs. Then (P(X=r) is maximum when r is

A

49

B

50

C

51

D

48

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - D Linked Comprehension Type Questions)|20 Videos
  • PROBABILITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-E (assertion -reason type questions)|14 Videos
  • PROBABILITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - B Objective Type Questions (One option is correct))|64 Videos
  • PRINCIPLE OF MATHEMATICAL

    AAKASH INSTITUTE ENGLISH|Exercise Section-D:(Assertion-Reason Type Questions)|11 Videos
  • RELATIONS AND FUNCTIONS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - J) Aakash Challengers Questions|8 Videos

Similar Questions

Explore conceptually related problems

A fair coin is tossed 99 times. If X is the number of times heads occur, then P(X=r) is maximum when r is 49 , 50 b. 50 , 51 c. 51 , 52 d. none of these

An unbiased coin is tossed n times. Let X denote the number of times head occurs. If P(X=4), P(X=5) and P(X=6) are in A.P, then the value of n can be

An unbiased coin is tossed n times. Let X denote the number of times head occurs. If P(X=4), P(X=5) and P(X=6) are in A.P, then the value of n can be

A fair coin is tossed four times. Let X denote the number of heads occurring. Find the probability distribution, mean and variance of X.

A fair coin is tossed n times and x be the number of heads. If P(x=4), P(x=5), P(x=6) are in A.P. then which of the following are correct. Statement-I : n = 7 Statement-II : n = 9 Statement-III : n = 2 Statement-IV : n = 14 correct statements are

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

A fair coin is tossed n times. Let a_(n) denotes the number of cases in which no two heads occur consecutively. Then which of the following is not true ?

A fair coin is tossed 100 times . The probability of getting head an odd number of times is

A coin is tossed 5 times. If X is the number of heads observed, find the probability distribution of X .

12 coins are tossed 4096 times. The number of times that one can get atleast 2 heads is

AAKASH INSTITUTE ENGLISH-PROBABILITY-ASSIGNMENT (SECTION - C Objective Type Questions (More than one options are correct))
  1. There are 7 seats in a row. Three persons take seats at random the pro...

    Text Solution

    |

  2. Box A has 3 white and 2 red balls, box B has 2 white and 4 red balls. ...

    Text Solution

    |

  3. If P(A) = 2/3, P(B) = 4/9 and P(AcapB)=cap, then P(A'capB') is greater...

    Text Solution

    |

  4. If A and B are two events such that P(A cup B) =3/4 ,P(A cap B) = 1/4 ...

    Text Solution

    |

  5. Two dices are rolled and numbers r(1) and r(2) are chosen. Let 1+omega...

    Text Solution

    |

  6. Delegates of the five of the member countries of SAARC decide to hold ...

    Text Solution

    |

  7. If a Grand father along with his two grandsons and four grand daughter...

    Text Solution

    |

  8. A quadratic equation is cjoen from the set of all quadratic equations...

    Text Solution

    |

  9. A sample space consists of 3 sample points with associated probabili...

    Text Solution

    |

  10. If A and B are two independent events such that P(barAnnB)=2//15and P(...

    Text Solution

    |

  11. For two events A and B let, P(A)=(3)/(5), P(B)=(2)/(3), then which of ...

    Text Solution

    |

  12. An unbiased coin is tossed n times. Let X denote the number of times h...

    Text Solution

    |

  13. A fair coin is tossed 99 times. Let X be the number of times heads occ...

    Text Solution

    |

  14. Consider the following events for a family with children A = {Childr...

    Text Solution

    |

  15. A fair coin is tossed three times. Consider the events A = {First to...

    Text Solution

    |

  16. Two events A and B are such that P(A)=1/4,P(A//B)=1/2 and P(B//A)=2/3 ...

    Text Solution

    |

  17. A, B, C in order roll a dice on the condition that one who gets a six,...

    Text Solution

    |

  18. There are 3 men, 2 women and 4 children. If 4 persons are selected the...

    Text Solution

    |

  19. If the letters of word ASSASSIN are written at random in a raw, then w...

    Text Solution

    |

  20. If alphabets of word RAKESH are written in given boxes, then probabili...

    Text Solution

    |