Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

Match List – I with List – II.

LIST I

 LIST II 

 A. In a binomial distribution, if n = 10, p = 0.25, then its mean is:

 I. 5 

 B. In a binomial distribution, if n = 20, p = 0.5, then its variance is:

 II. 25 

 C. In a binomial distribution, if mean is 5 and variance is 4 then the number of trials is: 

 III. 2

 D. A coin is tossed 8 times. Then the variance of number of tails obtained is, 

 IV. 2.5 

Choose the correct answer from the options given below:

Options:

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

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

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

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

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