A random variable X has a variance of 7.6.
What is the variance of 7.3X-5.9? Round your answer to 2 decimal places.
Find the mean and variance for the following distribution:
| x | P(x) |
|---|---|
| 0 | 1/8 |
| 1 | 3/8 |
| 2 | 3/8 |
| 3 | 1/8 |
Compute the expected value of the following pmf:
The function described below is a valid probability mass function.
The following, is a valid PMF:
| x | P(x) |
|---|---|
| 0 | 1/8 |
| 1 | 3/8 |
| 2 | 3/8 |
| 3 | 2/8 |
Визнач джерело біологічної небезпеки
Для чого використовують елемент 1?
Як називається елемент 1?
Milline valem defineerib juhusliku suuruse X jaotusfunktsiooni F(x)?