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please help m stuck on this question Suppose a student either has 12 or 3 finals to take with a respective probability of 016 046 038 what is the students expected number of finals

please help, I'm stuck on this question.

Suppose a student either has 1,2, or 3 finals to take with a respective probability of 0.16, 0.46, 0.38

- what is the students expected number of finals?

- what is the st. deviation?

 

Apr 03 2020 View more View Less

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