Test SeriesFree PYQsExamsPricing

MHT CET 2023 Mathematics question

MathematicsProbabilityMHT CET 2023

Let X be random variable having Binomial distribution B (7, p). If P [X = 3] = 5 P [X = 4], then variance of X is

Answer: (B)

Solution

. Given . Since , dividing by gives . With : . Variance

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-098060