Question: Hi, I am student in EECS field. My professor ask me to solve probability problem as a test to join his laboratory. Actually I have
Hi, I am student in EECS field. My professor ask me to solve probability problem as a test to join his laboratory.
Actually I have around 10 problems, but I can only ask one problem here.
Here is the problem:
Thanks
An urn contains two white and two black balls. We draw balls from the urn randomly and stop after we find a black ball. What is the expectation of the total number of the drawn balls? o 13 0 aviso 0 a 0 very impor 0
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