Question: The probability distribution for the random variable x follows.
| x |
f(x) |
| 20 |
.20 |
| 25 |
.15 |
| 30 |
.25 |
| 35 |
.40 |
A) What is the probability that x = 30?
B) What is the probability that x is less than or equal to 25?
C) What is the probability that x is greater than 30?