Solve the following problem : A random variable X has the following probability distribution. x 1 2 3 4 5 6 7 F (x) k 2k 2k 3k k2 2k2 7k2 + k Determine P(X > 6) - Mathematics and Statistics

Sum

Solve the following problem :

A random variable X has the following probability distribution.

 x 1 2 3 4 5 6 7 F (x) k 2k 2k 3k k2 2k2 7k2 + k

Determine P(X > 6)

Solution

P(X > 6)
= P(X = 7)
= 7k2 + k

= (7)/(10)^2 + (1)/(10)

= (17)/(100).

Concept: Random Variables and Its Probability Distributions
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