Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

From a lot of 10 items containing 3 defectives, a sample of 4 items is drawn at random. Let random variable X denote the number of defective items in the sample.

A. $P(X=1)=\frac{1}{6}$
B. $P(X \leq 1)=\frac{2}{3}$
C. $P(0<X<2)=\frac{1}{2}$
D. $P(X>1)=\frac{1}{30}$

Choose the correct answer from options given below.

Options:

A only

A and B only

A, B and C only

B and C only

Correct Answer:

A only

Explanation:

The correct answer is Option () -