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You have 7 attempts to take a test. 48% of first time test takers passed the test. 22% passed on the 2,3,4,5,6 or 7th time.
You have 7 attempts to take a test. 48% of first time test takers passed the test. 22% passed on the 2,3,4,5,6 or 7th time.
How to show probability distribution for this random variable in a table?
What is the expected value of the random variable?
Thanks!
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