Question

answer the question in the pdf file

7b49a0fe68881160375113a1e8edc60d.pdf

Answer 1

Answer:

Correct option is C)

We know that, probability function F for a random variable X is given by

F(x)=

u≤x

∑

f(u)=P(X≤x)

∴F(0)=P(X≤0)

=P(X=0)+P(X=−1)+P(X=−2)

=0.15+0.3+0.2

=0.65

=1−0.35

=1−(0.25+0.1)

=1−(P(X=1)+P(X=2))

=1−P(X>0)

Hence, F(0)=1−P(X>0)

Video Explanation

Answer 2

Step-by-step explanation:

Correct option is C.

Hence, F(0)= 1-P [x>0]