Question

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:

PROBLEM 3A : 2.0 POINTS

the number of times positive numbers appear

PROBLEM 3B : 2.0 POINTS

the sum of all the numbers drawn

PROBLEM 3C : 2.0 POINTS

the sum of the positive numbers drawn

Answer 1

did you get the last one P(A) < P(B) ?

Answer 2

positive numbers, \(>0\) or \(\ge 0\) ?