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If F(x) is the probability distribution ...

If F(x) is the probability distribution function then `F(-infty)` is

A

1

B

2

C

`infty`

D

0

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • If F(x) is a distribution function of a random variable then the false statement is

    A
    `F(infty)=1`
    B
    `F(-infty)=-1`
    C
    `F'(x)=f(x)`
    D
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  • If f(x)=ae^(-2x)0ltxltinfty is a probability density function of a random variable x then its variance is

    A
    `1/4`
    B
    `1/2`
    C
    2
    D
    4

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