Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

Let X denotes the number of heads in a single toss of 4 fair coins,

Match List I with List II.

LIST I

LIST II

 A. Probability for X = 3

 I. 2

 B. Mathematical expectation of X 

 II. 5

 C. Value of E(X2) is

 III. 0.63 

 D. P(1 < X ≤ 3) is 

 IV. 0.25 

Choose the correct answer from the options given below:

Options:

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

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

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

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

Correct Answer:

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

Explanation:

The correct answer is Option (1) → A-IV, B-I, C-II, D-III