Let X be a Random Variable.... | JEE Main 2022 | Probability

JEE MAIN 2022

27-06-2022 S1

Question

Let X be a random variable having binomial distribution B(7, p). If P(X = 3) = 5P(X = 4), then the sum of the mean and the variance of X is :

Select the correct option:

A

105/16

B

7/16

C

77/36

D

49/16

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Easy

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