Asked by AmmanJordan
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
1. the number of times positive numbers appear
2. the sum of all the numbers drawn
3. the sum of the positive numbers drawn
Answers
Answered by
Din123
the number of times positive numbers appear is 160
Answered by
Din123
the sum of the positive numbers drawn is 240
Answered by
AmmanJordan
Thanks you Din 123, the answer of B is 0 the 1 and 3 are correct.
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