Posted by **Arun** on Friday, March 2, 2012 at 3:25am.

8. A random variable X takes exactly the 5 values 1, 2,3,4,5, all with same probability. The mean of X is

Choose one answer

a. 2.5

b. 15

c. 7.5

d. 3

- Probability and statistics -
**Writeacher**, Friday, March 2, 2012 at 7:53am
If all you do is post your entire assignment, **with no evidence of thinking on your part**, nothing will happen since __no one here will do your work for you__.

But if you are specific about what you don't understand about the assignment or exactly what help you need, someone might be able to assist you. **Ask specific questions!**

## Answer this Question

## Related Questions

- Statistics/probability - The random variable X has a binomial distribution with ...
- Statistics - Suppose that the probability distribution of a random variable x ...
- Statistics - Suppose that the probability distribution of a random variable x ...
- Probability - 7. The random variable X is distributed normally with a mean of 12...
- Math - Statistics - I roll 12 4-sided dice. What is the probability that I roll ...
- Statistics & Probability - If X is a normal random variable with mean 11, and if...
- Statistics - Service times for customers at a post office follow some right-...
- random variable - A communication channel accepts the input X ?{0,1, 2,3} and ...
- probability - A random experiment of tossing a die twice is performed. Random ...
- statistics - The average age of statistics students nationwide is 22. The ...