Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

Match List-I with List-II. The probability distribution of number of sixes(X) is when an unbiased die is thrown twice is :

X 0 1 2
P(X) 25/36 5/18 1/36

 

List-I List-II
(A) The value of E(X) (I) $\frac{5}{72}$
(B) Value of Var(X) (II) $\frac{1}{8}$
(C) Value of Var($\frac{x}{2}$) (III) $\frac{1}{3}$
(D)  Value of E$(\frac{3}{8}X)$ (IV) $\frac{5}{18}$

Choose the correct answer from the options given below :

Options:

(A)-(III), (B)-(I), (C)-(II), (D)-(IV)

(A)-(II), (B)-(I), (C)-(IV), (D)-(III)

(A)-(IV), (B)-(II), (C)-(III), (D)-(I)

(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Correct Answer:

(A)-(III), (B)-(IV), (C)-(I), (D)-(II)