Home
Class 12
MATHS
Let X represent the difference between ...

Let X represent the difference between the number of heads and the number of tails obtained when a coin is tossed n times. Then the possible values of X are

A

i+2n,i=0,1,2 … n

B

2i-n,i=0,1,2 …n

C

n-i,i=0,1,2, ...n

D

2i+2n, i=0,1,2, …n

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY DISTRIBUTIONS

    FULL MARKS|Exercise Additional Problems|27 Videos

  • PROBABILITY DISTRIBUTIONS

    FULL MARKS|Exercise EXERCISE -11.5|9 Videos

  • ORDINARY DIFFERENTIAL EQUATIONS

    FULL MARKS|Exercise ADDITIONAL PROBLEMS|40 Videos

  • SAMPLE PAPER - 1

    FULL MARKS|Exercise PART-IV (Answer the questions)|14 Videos

Similar Questions

Explore conceptually related problems

Let X represent the difference between the number of head and the number of tails obtained when a coin is tossed 6 times. What are possible values of X?

Find the total number of outcomes when 5 coins are tossed once.

Find the mean number of heads in three tosses of a fair coin.

Find the mean number of heads in three tosses of a fair coin.

Fird the probability of getting a head when a coin is tossed once. Also find the probability of getting a tail.

Find the probability distribution of the number of heads in three tosses of a fair coin.

Let N denote the number of days. If the value of N! is equal to the total number of hours in N days then find the value of N?

FULL MARKS-PROBABILITY DISTRIBUTIONS-EXERCISE -11.6
  1. Let X be random variable with probability density function f(x)={{:(...

    Text Solution

    |

  2. A rod of length 2l is broken into two pieces at random. The probabilit...

    Text Solution

    |

  3. Consider a game where the player tosses a six sided fair die. If the f...

    Text Solution

    |

  4. A pair of dice numbered 1, 2, 3, 4, 5, 6 of a six-sided die and 1, 2, ...

    Text Solution

    |

  5. A random variable X has binominal distribution with n = 25 and p = 0.8...

    Text Solution

    |

  6. Let X represent the difference between the number of heads and the nu...

    Text Solution

    |

  7. If the function f(x)=1/12 " for " a lt x lt b, represents a probabilit...

    Text Solution

    |

  8. Four buses carrying 160 students from the same school arrive at a foot...

    Text Solution

    |

  9. Two coins are to be flipped. The first coin will land on heads with pr...

    Text Solution

    |

  10. On a multiple-choice exam with 3 possible destructive for each of the ...

    Text Solution

    |

  11. If P{X=0}=1-P{X=1}. If E{X}=3Var(X), then P{X=0} is

    Text Solution

    |

  12. If X is a binomial random variable with expected value 6 and variance ...

    Text Solution

    |

  13. The random variable X has the probability density function f(x)={{:(ax...

    Text Solution

    |

  14. Suppose that X takes on one of the values 0, 1, and 2. If for some con...

    Text Solution

    |

  15. Which of the following is a discrete random variable? I. The number ...

    Text Solution

    |

  16. If f(x) = {(2x,0 lt=xlt=a),(0,"otherwise"):} is a probability density ...

    Text Solution

    |

  17. The probability function of a random variable is defined as The...

    Text Solution

    |

  18. Let X have a Bernoulli distribution with mean 0.4, then the variance ...

    Text Solution

    |

  19. If in 6 trials, X is a binomial variate which follows the relation 9P(...

    Text Solution

    |

  20. A computer salesperson knows from his past experience that he sells co...

    Text Solution

    |