Assignment:
Consider the following discrete probability distribution.
| X |
-25 |
-15 |
10 |
20 |
| P(X = x) |
0.35 |
0.1 |
|
0.1 |
a. Complete the probability distribution.
b. Graphically depict the probability distribution and comment on the symmetry of the distribution.
c. What is the probability that the random variable X is negative?
d. What is the probability that the random variable X is\ greater than – 20?
e. What is the probability that the random variable X is less than 20?
Provide complete and step by step solution for the question and show calculations and use formulas.