Maharashtra State BoardHSC Commerce 12th Board Exam
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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

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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)

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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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