The number of defects in a machine-made product is a random variable X with the following probability distribution:
|
X
|
P(x)
|
|
0
|
0.1
|
|
1
|
0.2
|
|
2
|
0.3
|
|
3
|
0.3
|
|
4
|
0.1
|
a. Show that P(x) is a probability distribution.
b. Find the probability P(1).
c. Find the probability P(1).
d. Find F(x).