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 ...
 statistics  A die has 2 red faces, 2 blue faces, and 2 green faces. It is ...
 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  One hundred draws will be made at random with replacement from the ...
 statistics  in the spring of 2001, a university had 40,000 registered students...
 Statistics  A school is running a raffle. There are 100 tickets, of which 3 are...
 maths  Find the sum of all 3digit positive numbers N that satisfy the ...
 math  Consider a disk and spinner with four equal sectors marked with the ...
More Related Questions