CUET Mathematics - If a random variable X follows poisson's distribution such that P(X=2) = 9P(X=4) + 90P(X=6), then the mean of X is | PYQs + Solutions

CUET Mathematics 2026 25th May Shift 1

Applied Mathematics

Hard

applied

1/2

1/4

✅ Correct Option: 1

Related questions:

26th May Shift 2

In a random experiment, a collection of trials is called Bernoulli trials then which of the following statements are TRUE?

A. The number of trials is infinite.

B. Each trial has exactly two outcomes defined as success and failure.

C. The trials are dependent by nature.

D. The probability of success remains the same in each trial.

Choose the correct answer from the options given below:

11 Aug Shift 1

A random variable X has a probability distribution P(X) of the following form, where k is some unknown constant:

P(X = 0) = k

P(X = 1) = 2k

P(X = 2) = 3k

P(X = other values) = 0

Then, find the value of 1/k.

11 Aug Shift 1

The probability distribution of a discrete random variable X is given by :

X	30	10	-10
P(X)	1/5	3/10	1/2

then E(X) is equals to

CUET Mathematics 2026 25th May Shift 1 PYQs