CUET Mathematics - In a binomial distribution the probability of getting success is 1/4 And standard deviation is 3 then its mean is ? | PYQs + Solutions

CUET Mathematics 2023 11 Aug Shift 1

Applied Mathematics

Medium

✅ Correct Option: 3

Related questions:

16 May Shift 1

If the random variable X follows the Poisson distribution such that P[X = k] = P[X = k+1], then the mean value of X is:

7 June Shift 1

Match list I with list II. 4 defective pens are mixed with 10 normal pens. 3 pens are drawn one by one with replacement , then the probability distribution of the number of defective pens is :

List-I	List - II
A. P(X=0)	8/343
B. P(X=1)	60/343
C. P(X=2)	125/343
D. P(X=3)	150/343

Choose the correct option below :

15 June Shift 2

A discrete random variable X takes the values 0, 1, 2, 3, 4 and its mean is 1.6. If $P(X=1) = 0.4$ , $P(X=4) = P(X=2)$ and $P(X=3) = 2P(X=2)$ , then $P(X=0)$ is :

CUET Mathematics 2023 11 Aug Shift 1 PYQs

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