Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

A biased die is such that probability of getting 2 is $\frac{1}{10}$ and other scores being equally likely. The die is tossed twice and X denotes number of 2 obtained. Which of the following are correct ?

(A) The possible values of X are 0, 1, 2, 3, 4.

(B) The possible values of X are 0, 1, 2.

(C) Probability of getting at least one 2 is 0.046.

(D) Probability of getting at least one 2 is 0.19.

(E) Mathematical expectation of X : E(X) = 0.18.

Choose the correct answer from the options given below :

Options:

(A) and (D) Only

(B) and (D) Only

(B) and (E) Only

(C) and (E) Only

Correct Answer:

(B) and (D) Only