engineering recuitment GATE IN Test Series 2023-24 Mock Test Engineering Mathematics Probability and Statistics Statistical Variables
A six-sided die has four green and two red faces and is balanced so that each face is equally likely to come up. The die will be rolled several times. Suppose that we score 4 if the die is rolled and comes up green, and 1 if it comes up red. Let X the random variable to represent this score. The variance for X is
Enter numerical value using the virtual keypad. Round off where necessary.