Home
Class 12
MATHS
The probability distribution of the disc...

The probability distribution of the discrete random variable X is shown in the table below. What is the expected value of X?

A

`1/6`

B

`1/3`

C

`1`

D

`3 1/6`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PRACTICE TEST 1

    ENGLISH SAT|Exercise EXERCISE|60 Videos

  • PRACTICE TEST

    ENGLISH SAT|Exercise MATH TEST (WITH CALCULATOR)|37 Videos

  • PRACTICE TEST 2

    ENGLISH SAT|Exercise Multiple Choice|58 Videos

Similar Questions

Explore conceptually related problems

The probability distribution of a discrete random variable X is given below The value of k is

The probability distribution of a discreate random variable X is given below : The value of k is

The probability distribution of a discrate random variable X is given below : Then E(X) is equal to

is the probability distribution of a random variable X. Find the variance of X.

is the probability distribution of a random variable X. Find the variance of X.

Consider the probability distribution of a random variable X. Variance of X

The probability distribution of a discrete random variable x is given as under Calculate (i) the value of A, if E(X)=2.94. (ii) variance of X.

Two probability distributionof the discrete random variable X and Y are given below. Prove that E(Y^(2))=2E(X) .

Consider the probability distribution of a random variable X. V ((X)/(2))

Find the value of k for probability distribution of a random variable X is give by:

ENGLISH SAT-PRACTICE TEST 1-EXERCISE
  1. For 20 quiz scores in a typing class, the table below gives the freque...

    Text Solution

    |

  2. In the complex numbers, where i^(2) = -1.

    Text Solution

    |

  3. Temperature measured in degrees Fahrenheit (F) are related to tempera...

    Text Solution

    |

  4. The table below gives experimental data value for variables x and y. T...

    Text Solution

    |

  5. During a snowstorm, the relationship between the depth of accumulated ...

    Text Solution

    |

  6. Diana is baking bread, and the original recipe calls for 1 1/2 teaspoo...

    Text Solution

    |

  7. For all nonzero values of x, (12x^(6) - 9x^(2))/(3x^2) = ?

    Text Solution

    |

  8. Four matrices are given below. W = [(1,2),(5,8)] X = [(3,9),(7,4)] Y...

    Text Solution

    |

  9. The 3 parabola graphed in the standard (x,y) coordinate plane below ar...

    Text Solution

    |

  10. After polling a class of 20 music students by a show of hands, you fin...

    Text Solution

    |

  11. A teacher assigns each of her 18 students a different interger from 1 ...

    Text Solution

    |

  12. Lucky found $8.25 in pennies, nickels, dimes, and quarters while walki...

    Text Solution

    |

  13. Given 10^((2x-1)/x) = 1, x = ?

    Text Solution

    |

  14. The table below shows the results of a survey of 250 people who were a...

    Text Solution

    |

  15. Mario was ridiing a bicycle with wheels 26 inches in diameater, During...

    Text Solution

    |

  16. Whenever j and k are positive integers such that (sqrt3)^(j) = 27^(k) ...

    Text Solution

    |

  17. A finite arithmetic sequence has 7 terms, and the first term is 3/4. W...

    Text Solution

    |

  18. In the circle with center D shown below, the length of radius bar(CD) ...

    Text Solution

    |

  19. The lengths of the triangle shown below are rounded to the nearest 0.1...

    Text Solution

    |

  20. The probability distribution of the discrete random variable X is show...

    Text Solution

    |