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Two students Carri and Amber are registered for a statistic class. Carri attends 80% of the...

Two students Carri and Amber are registered for a statistic class. Carri attends 80% of the time while Amber 60% of the time and their absences are independent. On a given day, what is the probability that

A) At least one of the student is in class

B) Exactly one of them is there

C) Neither one is here

please explain in detail so i can understand how to solve these kinds of problems. Thank you

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