Posted by **AmmanJordan** on Friday, May 3, 2013 at 4:34am.

400 draws are made at random with replacement from 5 tickets that are marked -2, -1, 0, 1, and 2 respectively. Find the expected value of:

1. the number of times positive numbers appear

2. the sum of all the numbers drawn

3. the sum of the positive numbers drawn

- statistics -
**Din123**, Friday, May 3, 2013 at 5:18pm
the number of times positive numbers appear is 160

- statistics -
**Din123**, Friday, May 3, 2013 at 5:22pm
the sum of the positive numbers drawn is 240

- statistics -
**AmmanJordan**, Friday, May 3, 2013 at 5:57pm
Thanks you Din 123, the answer of B is 0 the 1 and 3 are correct.

## Answer This Question

## Related Questions

- Statistics - Hello. I would like to ask a college statistics question. Q. One ...
- maths - A random number generator draws at random with replacement from the ...
- statistics - A box of tickets averages out to 75 and the SD is 10. One hundred ...
- statistics - A random number generator draws at random with replacement from the...
- statistics - A die has 2 red faces, 2 blue faces, and 2 green faces. It is ...
- statistics - One hundred draws will be made at random with replacement from the ...
- Statistics - A school is running a raffle. There are 100 tickets, of which 3 are...
- statistics - in the spring of 2001, a university had 40,000 registered students...
- Statistics - You draw three tickets at random with replacement from the box. ...
- Statistics - There are two boxes, each with several million tickets marked &#...

More Related Questions